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Koji Watanabe
Koji Watanabe, Kobe-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090286651 | Starting and generating apparatus for engine - The invention is a starting and generating apparatus for an engine, including: a rotator configured to be used as a generator driven by an engine as well as used as a starter motor for starting the engine; a power transmission mechanism configured to connect the engine with the rotator; a starter drive unit configured to supply an electricity to the rotator to drive the rotator as the starter motor when the engine is to be started; a clutch mechanism configured to shut off a power transmission from the engine to the power transmission mechanism when the engine is to be started; and a clutch control unit configured to bring the clutch mechanism into a connected state when a rotational speed of the rotator has reached a given rotational speed at which the engine can be started. | 11-19-2009 |
| 20100200692 | Aircraft electric generation system - This invention provides an aircraft electric generation system, which can achieve significantly increased capacity of electric generation, while adequately suppressing unwanted increase of a front face area of an aircraft engine as well as successfully dealing with considerably large changes of an engine spool speed. This electric generation system is driven by the engine and includes: a continuously variable transmission (CVT) connected with a rotation shaft of the engine; an electric generator located above the CVT and driven by an output of the CVT; and a lubricating oil pump unit located below the CVT and also driven by the output of the CVT. | 08-12-2010 |
| 20110101693 | AIRCRAFT STARTER GENERATOR - A starter generator has an electric rotating machine having a rotating shaft and designed to carry two reverse operations—motor and generator. A first clutch is connected between the rotating machine and the first rotating shaft for transmitting rotations of the rotating machine to the first rotating shaft. A second clutch is connected between the rotating machine and the second rotating shaft for transmitting rotations of the second rotating shaft to the rotating machine. A continuously variable transmission is provided for changing the number of rotations transmitted from the second rotating shaft to the rotating machine. The rotating machine is supplied with electric power to rotate the rotating shaft, or the number of rotations of the rotating shaft is kept constant by controlling a transmission ratio of the continuously variable transmission. | 05-05-2011 |
Koji Watanabe, Yawata-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110074310 | DISCHARGE LAMP LIGHTING APPARATUS - In order to suppress a peak of an excessive current and suppress a variation in a resonance voltage of a resonator, which are likely to occur immediately after a discharge lamp starts lighting, in a case where a high-frequency current continuously flows asymmetrically with respect to a zero current instead of flowing symmetrically on positive and negative sides immediately after the lighting since electrodes of the discharge lamp are not evenly warmed, the resonance voltage and the high-frequency current are finely adjusted in a resonance voltage and high-frequency current setting method including setting a drive frequency of an inverter circuit and varying output from a down-converter. | 03-31-2011 |
Koji Watanabe, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080251849 | Semiconductor Device and Method for Manufacturing Same - A semiconductor device comprising a first semiconductor region and a second semiconductor region, | 10-16-2008 |
| 20090200749 | MECHANICAL SEAL DEVICE - A mechanical seal device having a stationary sealing ring attached in close contact to a seal cover, a rotating sealing ring having a counter seal face in close contact with the seal face, and a fixing part having a first fixed ring holding the rotating sealing ring and a second fixed ring fitting in close contact with the rotary shaft and having a bellows surrounding the rotary shaft, having one end connected with the first fixed ring, and having another end connected with the second fixed ring, one seal face of the seal face and the counter seal face having fluid introduction ports for introducing the sealed fluid to the seal face at the circumferential surface at the sealed fluid side and the other seal face having dimples, or one seal face having the fluid introduction ports and the dimples, the dimples being arranged in lines radiating from a center of the seal face. | 08-13-2009 |
| 20090201645 | COOLING SYSTEM FOR ELECTRONIC EQUIPMENT - In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and cools exhaust air from the server by vaporizing a refrigerant with heat generating from the server, a cooling tower which is provided at a place higher than the evaporator, cools the refrigerant by outside air and water sprinkling, and condenses the vaporized refrigerant, and a circulation line in which the refrigerant naturally circulates between the evaporator and the cooling tower. According to the cooling system, an electronic device which is required to perform a precise operation with a heat generation amount from itself being large, such as a computer and a server, can be efficiently cooled at low running cost. | 08-13-2009 |
| 20090263976 | APPARATUS FOR MANUFACTURING SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - Variation in the thickness of the deposited films depending on number of the processed product wafers in the deposition process employing a batch type CVD apparatus is inhibited to provide a manufacture of the film having a predetermined thickness with an improved reproducibility. The deposition apparatus | 10-22-2009 |
| 20090285184 | Wireless communication system and mobile terminal - The mobile station has a monitor for monitoring the communication qualities of plural wireless interfaces and selecting one of the wireless interfaces to communicate, and a memory for storing the correspondence between the address unique to the selected wireless interface and the network address unique to the mobile station. The mobile station notifies the gateway of the correspondence. The mobile station supplies power to a not operating wireless interface at constant intervals and during a constant time to monitor the communication quality. | 11-19-2009 |
| 20100270749 | MECHANICAL SEAL DEVICE AND TANDEM SEAL DEVICE - The present invention provides a mechanical seal device for obtaining appropriate sliding properties under any conditions, such as a pressure of seal is low or high. In the present invention, both first grooves | 10-28-2010 |
| 20110056223 | COOLING SYSTEM FOR ELECTRONIC EQUIPMENT - In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and cools exhaust air from the server by vaporizing a refrigerant with heat generating from the server, a cooling tower which is provided at a place higher than the evaporator, cools the refrigerant by outside air and water sprinkling, and condenses the vaporized refrigerant, and a circulation line in which the refrigerant naturally circulates between the evaporator and the cooling tower. According to the cooling system, an electronic device which is required to perform a precise operation with a heat generation amount from itself being large, such as a computer and a server, can be efficiently cooled at low running cost. | 03-10-2011 |
Koji Watanabe, Kawagoe JP
| Patent application number | Description | Published |
|---|---|---|
| 20100238775 | RECORDING MEDIUM REPRODUCING DEVICE, A METHOD FOR REPRODUCING A RECORDING MEDIUM, A PROGRAM FOR REPRODUCING A RECORDING MEDIUM, AND A RECORDING MEDIUM - Problems In a recording medium such as DVD, for example, when groups having the same title or the same song and different numbers of channels are recorded, all the groups are reproduced, further, when a DVD author mistakes, contents which are not needed to be reproduced are reproduced. | 09-23-2010 |
Koji Watanabe, Kawasaki JP
| Patent application number | Description | Published |
|---|---|---|
| 20090109925 | COMMUNICATION SYSTEM AND GATEWAY APPARATUS - A relay gateway apparatus HO-GW is provided between heterogeneous access networks (a WiMAX access network and a UMB access network). The HO-GW performs conversion of a movement control signal (an Inter-AGW handover control signal) and relay of communication data. When the relay is performed, user data from a CN reaches a wireless terminal MN through an HA of a core network, an access router ASN-GW, the HO-GW, and a base station eBS. | 04-30-2009 |
| 20090141671 | PACKET COMMUNICATION NETWORK AND SUBSCRIBER-ASSOCIATED-INFORMATION DELIVERY CONTROLLER - In a packet communication network comprising an MNO network, and an MVNO network including an application server for providing an information service to wireless terminals via the MNO network, the MNO network includes a subscriber-associated-information delivery controller for delivering subscriber associated information of each wireless terminal, which is connected to a radio access network, to the MVNO network, and the MVNO network includes a subscriber-associated-information processor for receiving the subscriber associated information delivered from the subscriber-associated-information delivery controller. | 06-04-2009 |
| 20090252133 | MOBILE COMMUNICATION SYSTEM AND ACCESS GATEWAY HAVING PLURAL USER PLANE AGWS - In a mobile communication system including an access gateway (AGW) comprising a C-AGW for handling control messages and a plurality of U-AGWs for forwarding data packets, the C-AGW is provided with a management table indicating an address of U-AGW to be an endpoint of tunnel, in association with each of mobile station IDs. When a tunnel setup request message including a mobile station ID is received from one of base stations, the C-AGW searches the management table for the address of U-AGW corresponding to the mobile station ID and notifies the base station of the U-AGW address, and if the mobile station ID is not found in the management table, the C-AGW notifies the base station of an address of a particular U-AGW selected out of the U-AGWs, so that the base station establishes a tunnel for forwarding data packets toward the notified U-AGW. | 10-08-2009 |
| 20100208653 | MOBILE COMMUNICATION SYSTEM AND ACCESS GATEWAY HAVING PLURAL USER PLANE AGWs - In an access gateway (AGW) comprising a C-AGW for handling control messages and a plurality of U-AGWs for handling data packets, when a tunnel setup request is issued from one of base stations to hand over a mobile station, the C-AGW selects a new U-AGW being in the lowest load status out of the U-AGWs, estimates the load status of the new U-AGW in the case of changing the tunnel endpoint for the mobile station from a current U-AGW to the new U-AGW. The C-AGW designates the new U-AGW as the tunnel endpoint for the mobile station if the estimated load status satisfies a predetermined condition, but designates the current U-AGW as the tunnel endpoint if the estimated load status does not satisfy the predetermined condition. | 08-19-2010 |
| 20110280215 | COMMUNICATION SYSTEM AND METHOD, AND GATEWAY - To realize a handover in which a gateway connecting to the access networks using different protocols is an anchor. | 11-17-2011 |
| 20120008544 | MULTI-HOP RELAY RADIO COMMUNICATION SYSTEM, ACCESS GATEWAY, AND ROUTE SELECTION METHOD - A multi-hop relay wireless communication system provided with an AGW ( | 01-12-2012 |
Koji Watanabe, Yawata JP
| Patent application number | Description | Published |
|---|---|---|
| 20100102757 | HID Lamp Ballast with Controlled DC Step Down Circuit - An electronic ballast is provided for powering a high intensity discharge lamp. A voltage step-down circuit is arranged to reduce an input DC voltage. An inverter circuit includes at least one high frequency switching element is and arranged to convert the reduced voltage to a high frequency AC voltage. A resonant circuit receives the high frequency voltage and is further coupled to the discharge lamp. A voltage step-down control circuit controls the DC voltage output from the voltage step-down circuit. A driving circuit supplies a driving signal to the switching element of the inverter, and further adjusts a driving frequency of the driving signal, thereby controlling the high-frequency voltage. The high frequency voltage in a first operating mode is controlled to a low level wherein the lamp is prevented from starting. The high frequency voltage in a second operating mode is controlled to a high level wherein the discharge lamp can be started. | 04-29-2010 |
| 20100176737 | DISCHARGE LAMP BALLAST HAVING AN AUTO-TRANSFORMER FOR HIGH VOLTAGE DETECTION - A lamp ballast is provided requiring less size and cost for powering a discharge lamp. An inverter circuit converts a DC voltage from a DC power source into a voltage having a determined frequency, and supplies the converted voltage to the discharge lamp inserted between a pair of output ends of the inverter. A resonant circuit includes an auto-transformer and a resonant capacitor, and supplies an output voltage corresponding to a frequency of the rectangular wave voltage of the power supply circuit to the discharge lamp. A voltage detection circuit detects an output voltage of the resonant circuit based on a potential of the resonant capacitor. A control circuit has a startup control mode to set the frequency of the rectangular wave voltage based on the detected voltage from the voltage detection circuit, wherein the output voltage of the resonant circuit exceeds a starting voltage of the discharge lamp. | 07-15-2010 |
| 20100194302 | STARTUP CONTROL FOR A HIGH PRESSURE DISCHARGE LAMP BALLAST - A high pressure discharge lamp ballast is provided with a control operation for stable transition from a lamp ignition mode into a preheating mode. An inverter is coupled across a DC source and has a plurality of switching elements coupled to the high pressure discharge lamp. A series resonant LC circuit is coupled to the inverter outputs and to the high pressure discharge lamp. A control circuit is coupled to the switching elements and configured to control switching operation. An ignition mode has one or more time periods during each of which a driving frequency of the switching elements is swept through a predetermined range of frequencies and then controlled at a first driving frequency less than the predetermined range of frequencies. A preheating mode follows wherein the switching elements are controlled at a second driving frequency less than the predetermined range of frequencies. | 08-05-2010 |
Koji Watanabe, Aichi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100149299 | IMAGE FORMING APPARATUS - An inkjet recording apparatus provides an improved printing speed and improved convenience of use. A recording head discharges droplets of a recording liquid onto a paper so as to form an image on the paper. A belt conveyance mechanism has a belt onto which the paper is electrostatically attached. The paper attached onto the belt is conveyed in a direction perpendicular to a carding direction of the paper. | 06-17-2010 |
Koji Watanabe, Kokubunji JP
| Patent application number | Description | Published |
|---|---|---|
| 20080291861 | Equipment and method for providing broadcast/multicast service in mobile communications - A communications controller according to the present invention includes a network interface, and a control unit for, when the network interface receives a request information for requesting establishment of a new multicast communications flow, judging whether or not the new multicast communications flow can be established with respect to a base station, based on communications quality parameters of the other multicast communications flows already established with a plurality of base stations, and a communications quality parameter of the new multicast communications flow, the new multicast communications flow being to be transferred by way of the base station, and establishing the new multicast communications flow if result of the judgment on the base station is YES, the new multicast communications flow being to be transferred by way of the base station. | 11-27-2008 |
| 20090003383 | Node Device, Packet Control Device, Radio Communication Device, and Transmission Control Method - A conventional node | 01-01-2009 |
| 20090016299 | WIRELESS SYSTEM, BASE STATION AND MOBILE STATION - Disclosed herewith is a wireless system capable of reducing packet sending delay occurrence and packet sending delay jittering at the time of hand-over processing executed therein. In the wireless system, upon estimating occurrence of a hand-over event, a subject mobile station and its base station extend the packet buffering period respectively and furthermore, the base station changes the current burst scheduling method for another. The base station and the mobile station then exchanges messages required to execute the hand-over procedure in a period between when sending of a burst ends and when sending of the next burst begins. | 01-15-2009 |
| 20090103454 | WIRELESS COMMUNICATION SYSTEM AND METHOD FOR ASSURING COMMUNICATION QUALITY OF PACKET FLOW - A base station or packet control apparatus, constituting a wireless access network system to be connected to an IP network via a node apparatus, includes a QoS authorization and admission control function for verifying a first communication quality request received from a wireless mobile station based on communication quality level information assured previously to the wireless mobile station, converting the request into a second communication quality request assured to the wireless mobile station, and converting the second communication quality request into a third communication quality request acceptable to communication resources of the wireless access network, and a QoS admission control function for converting, when a second or third communication quality request is received from another node apparatus connected to another wireless access network on account of handover of a wireless mobile station between node apparatuses, the received communication quality request into a communication quality request acceptable to the communication resources. | 04-23-2009 |
| 20090129275 | ACCESS GATEWAY, TERMINAL AND METHOD OF CONTROLLING FLOW IN WIRELESS SYSTEM - A wireless system includes plural different access networks and terminals ( | 05-21-2009 |
| 20100046475 | Wireless communication system, server and mobile station therefor - This invention provides a wireless communication system wherein a network to which a mobile station should be handed over can be selected, using parametric data collected from network components other than the mobile station. Time taken for a handover between different types of network systems is reduced. The wireless communication system of the present invention comprises a mobile station equipped with multiple wireless interfaces, a server connected to a fixed network, and multiple access points. The mobile station determines available wireless interfaces and sends notification of the available interfaces' identifiers to the server. The server collects managerial data from network components and selects a wireless interface, based on the notification from the mobile station and the managerial data. The mobile station registers its locations in visiting networks corresponding to multiple available wireless interfaces with the server. The server retains the registrations of mobile station locations for the above wireless interfaces. | 02-25-2010 |
Koji Watanabe, Kadoma JP
| Patent application number | Description | Published |
|---|---|---|
| 20100033692 | DISCHARGE LAMP LIGHTING DEVICE AND IMAGE DISPLAY APPARATUS - A discharge lamp lighting device includes: a power converting circuit including a step-down chopper circuit ( | 02-11-2010 |
Koji Watanabe, Aichi-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20090303077 | Image Processing System and Method - An image processing system is provided, which includes: a front monitoring device that obtains an image of a view ahead of a vehicle; a vehicle position detecting device that detects the position and orientation of the vehicle; a map database that stores road maps; a traffic indicator position estimating portion that estimates the position of a traffic indicator ( | 12-10-2009 |
| 20110175437 | BRAKE CONTROL APPARATUS - A brake control apparatus is equipped with a plurality of fluid pressure adjusting valves that have opening degrees thereof adjusted through energization control to adjust the fluid pressures, a plurality of valves that are provided in series with at least two of the fluid pressure adjusting valves are closed during stoppage of energization to hold the fluid pressures, and a brake ECU. The brake ECU controls fluid pressure adjustment achieved by supplying the fluid pressures to the wheel cylinders respectively, opening the communication valves and adjusting the opening degrees of the fluid pressure adjusting valves to adjust the fluid pressures respectively, and fluid pressure holding achieved by closing the communication valves opening the fluid pressure adjusting valves and holding the fluid pressures by means of the communication valves respectively. | 07-21-2011 |
Koji Watanabe, Odawara JP
| Patent application number | Description | Published |
|---|---|---|
| 20090271526 | Data transfer method and proxy server, and storage subsystem - A proxy server | 10-29-2009 |
Koji Watanabe, Kanagawa JP
| Patent application number | Description | Published |
|---|---|---|
| 20090032883 | SEMICONDUCTOR DEVICE - Disclosed is a semiconductor device which comprises one or more metal-insulator-semiconductor field effect transistors (MISFETs), each including: a gate insulating film composed of a silicon oxide film, a first hafnium-containing nitrided silicate film, and a second hafnium-containing nitrided silicate film which are sequentially deposited on a substrate; and a gate structure having an electrode consisting of a metal silicide deposited on the gate insulating film. The first hafnium-containing nitrided silicate film has a hafnium concentration in a range from 5 to 10% and has a nitrogen concentration in a range from 5 to 10%. The second hafnium-containing nitrided silicate film has a hafnium concentration in a range from 50 to 60% and has a nitrogen concentration in a range from 20 to 45%. The gate insulating film has a thickness in a range from 1.8 to 3.0 nm. | 02-05-2009 |
| 20090184386 | SOLID-STATE IMAGE PICKUP DEVICE AND FABRICATION METHOD THEREFOR - Disclosed herein is a solid-state image pickup device, including, a light receiving pixel section, a black level reference pixel section, a multi-layer wiring line section, a first light blocking film, a second light blocking film, a third light blocking film, and a fourth light blocking layer. | 07-23-2009 |
Koji Watanabe, Kadoma-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080218094 | Discharge Lamp Ballast, Lighting System and Projector - A discharge lamp ballast. Its starting means comprises a second inductor connected between a first end of a discharge lamp and the positive voltage side of a first capacitor; a second capacitor forming a resonance circuit together with the second inductor; a second switching element connected between the positive terminal of a DC power source and the second end of the lamp; a third switching element connected between the second end of the lamp and the negative voltage side of the first capacitor; and a starting control means that controls both switching elements. The starting control means alternately turns both switching elements on and off so as to contribute resonance voltage of the resonance circuit for starting of the lamp in case of the starting mode. According to the invention, noise from the starting means can be reduced. | 09-11-2008 |
Koji Watanabe, Hadano-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090086026 | RADIATION IMAGE CAPTURING APPARATUS - A radiation image capturing apparatus includes: a radiation detector for detecting charge information; an analog multiplexer for passing an analog charge information signal read out from each pixel of the radiation detector, alternately in a first order and a second order opposite to the first order; an analog signal amplifier for amplifying the analog charge information signal; an analog/digital converter for converting the analog charge information signal to a corresponding digital charge information signal; and a signal correcting unit for using one of a first digital charge information signal corresponding to the analog charge information signal that has passed through the analog multiplexer in the first order and a second digital charge information signal corresponding to the analog charge information signal that has passed through the analog multiplexer in the second order, to correct the other of the first digital charge information signal and the second digital charge information signal. | 04-02-2009 |
Koji Watanabe, Kawasaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110175167 | Semiconductor device having dual work function metal - A method of forming a semiconductor device includes forming a dummy metal gate layer including work function metals directly on a base insulator, diffusing the work function metals into the base insulator by annealing, removing the dummy metal gate layer by a wet etching, forming a metal gate on the base insulator, and forming a high-k insulator on the metal gate. | 07-21-2011 |
Koji Watanabe, Kusatsu-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110240560 | Method of adsorbing transforming growth factor - An adsorbent for immunosuppressive substance, which can adsorb an excessive immunosuppressive substance directly from a body fluid, can carry out extracorporeal perfusion safely and can be utilized in treatment of cancer. The excessive immunosuppressive substance may be involved in growth of cancer cells. The adsorbent for immunosuppressive substance includes a water-insoluble carrier and a hydrophilic amino group immobilized to the water-insoluble carrier. An extracorporeal perfusion column contains the adsorbent of the invention. A method for treating cancer carries out extracorporeal perfusion using the extracorporeal perfusion column. A method of adsorbing the transforming growth factor β which is combined with another protein, includes adsorbing the transforming growth factor β and protein on an adsorbent containing a water-insoluble carrier to which quaternary ammonium groups each having 3 to 18 carbon atoms per one nitrogen atom are attached, and having a specific surface area of 0.1 m | 10-06-2011 |
Koji Watanabe, Kitaibaraki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110278799 | SEAL RING - The invention provides a seal ring capable of stably leaking a sealed fluid from an inner peripheral face side. | 11-17-2011 |
Koji Watanabe, Itabashi-Ku JP
| Patent application number | Description | Published |
|---|---|---|
| 20110292361 | Exposure apparatus - An exposure apparatus including a warp deformation forming mechanism having a plane-parallel plate for warp deformation provided on a projection optical path of a mask pattern to be projected to a work substrate, and configured to be deformed by warping, a restraint member configured to cause an intermediate part of the plane-parallel plate between neighboring two of corner parts to serve as a fulcrum, each corner part formed by two intersecting sides of the plane-parallel plate, and a pressure member configured to warp and deform the plane-parallel plate with the restraint member used as a fulcrum by applying a pressurizing force to the corner parts of the plane-parallel plate in an optical axis direction of the projection optical path. | 12-01-2011 |
Koji Watanabe, Numazu-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110315416 | LUBRICATION STRUCTURE FOR WORKING DEVICE - A lubrication structure for a working machine is provided that can evenly supply lubricant to a sliding contact surface between an eccentric cam and a crank member regardless of lubricant used and the use environment. A driven gear that engages with a driving gear connected to a driving source and rotates, is accommodated in a chamber in a case. An eccentric cam is provided on a surface of the driven gear, and connected to a coupling pin in a blade through a crank member. A fitting ring part is provided in one end of the crank member, and the eccentric cam is inserted into the fitting ring part so as to rotate relative to the fitting ring part. An annular groove is formed on the inner surface of the fitting ring part which faces the outer surface of the eccentric cam. The annular groove communicates with a first chamber via a first lubricating passageway and also communicates with a second chamber via a second lubricating passageway. The pressure in the first chamber is higher than that is the second chamber. | 12-29-2011 |
Koji Watanabe, Chigasaki JP
| Patent application number | Description | Published |
|---|---|---|
| 20120005430 | STORAGE SYSTEM AND OWNERSHIP CONTROL METHOD FOR STORAGE SYSTEM - Access to various types of resources is controlled efficiently, thereby enhancing the throughput. A storage system includes: a disk device for providing a volume for storing data to a host system; a channel adapter for writing data from the host system to the disk device via a cache memory; a disk adapter for transferring data to and from the disk device; and at least one processor package including a plurality of processors for controlling the channel adapter and the disk adapter; wherein any one of the processor packages includes a processor for incorporatively transferring related types of ownership based on specific control information for managing the plurality of types of ownership for each of the plurality of types of resources. | 01-05-2012 |
Koji Watanabe, Ibaraki JP
| Patent application number | Description | Published |
|---|---|---|
| 20120018957 | SEAL RING - A seal ring having a more stable torque reduction effect. A seal ring is adapted to seal the annular gap between a housing and a shaft which is inserted through the shaft hole of the housing, the housing and the shaft being provided so as to be rotatable relative to each other. The seal ring is mounted in an annular groove provided in the shaft, is configured so that the seal ring is pressed, by the pressure of fluid to be sealed, against a side surface of the annular groove and against the inner peripheral surface of the shaft hole, and has a recess ( | 01-26-2012 |