| EAGLE INDUSTRY CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120056117 | SOLENOID VALVE - Disclosed is a solenoid valve | 03-08-2012 |
| 20120037822 | CAPACITY CONTROL VALVE - A capacity control valve includes a solenoid portion; a tube placed in the solenoid portion; and a movable core which forms a slide surface that is fitted to the tube. An actuation rod has a joint portion and a valve body, the joint portion being engaged with an abutting surface of a solenoid rod portion, and the valve body opening or closing a control fluid passage. The joint surface of the solenoid rod portion or the abutting face of the actuation rod has a concave cone-shape surface while the other has a convex cone-shape portion. A bottom face of the concave cone-shape surface is formed as a wide area of either a planar surface or a circular cross section, wherein a head portion of the convex cone-shape portion is truncated to form a truncated cone surface, the truncated cone surface corresponding to the bottom face of the concave cone-shape surface. | 02-16-2012 |
| 20120025473 | SHAFT SEALING APPARATUS - A shaft sealing apparatus of including a first mechanical seal having a mating ring disposed at the sealed fluid side and which rotates along with a shaft as the inner circumference side thereof is fixed to the shaft side, and a sealing ring disposed at the air side with respect to the mating ring and is slidable against the mating ring and which does not rotate along with the shaft. An annular space in which the sealed fluid exists is formed at the outer circumferential face side of the first mechanical seal. The shaft sealing apparatus further includes a protection cover disposed adjacent to the sealed fluid side of the seal cover in a state of being sealed with the seal cover and with the first mechanical seal respectively by an O-ring so as to suppress exposure of the seal cover to the sealed fluid. | 02-02-2012 |
| 20120013077 | BELLOWS TYPE MECHANICAL SEAL - A bellows type mechanical seal including a sealing ring and a mating ring, wherein either one of the sealing ring or the mating ring is retained in a housing and the other one is mounted on a shaft and wherein the sealing ring is supported by a bellows and the bellows has a retainer welded thereto on one of the sides for retaining the sealing ring and a collar welded on the other side to form a bellows assembly, is characterized in that the entire surface of the bellows assembly is covered by an erosion-resistant film formed by the physical vapor deposition, such as ion-plating. | 01-19-2012 |
| 20120013076 | BELLOWS TYPE MECHANICAL SEAL - A bellows type mechanical seal is provided that is capable of reducing adverse effects on the bellows. The bellows type mechanical seal includes a first annular member fixed on a rotary shaft, a second annular member resiliently supported by the bellows in a housing axially to the outside of the first annular member, a seal ring having a first end seal face contacting the first annular member and a second end seal face contacting the second annular member, both seal faces being perpendicular to the shaft. A centering member is arranged contacting the inner surface of the seal ring and the inner surface of the second annular member within an annular space formed between both of the inner surfaces and the shaft to keep the sealing ring and the second annular member in alignment with each other. | 01-19-2012 |
| 20120001394 | Mechanical Seal Device - Provided is a mechanical sealing device which is simply configured and wherein a rotation ring can be stably held in a specified axial position, and warping of the sealed surfaces can be prevented, thereby making it possible to obtain appropriate sealing characteristics. In a mechanical sealing device, a rotation ring is axially held between a rotation ring locking surface of a sleeve and a rotation ring locking surface of a collar. Furthermore, the sleeve, the rotation ring fixing collar, and the rotation ring are integrated together by means of a baffle knock pin for the rotation ring. Due to the above, whether positive pressure or negative pressure is applied, the rotation ring does not move, nor do the sealed surfaces of the rotation ring become warped. Moreover, assembly can be simply performed only by means of the knock pin. | 01-05-2012 |
| 20110215536 | LIP TYPE SEAL - For better assembling characteristic and sealing performance with secured circularity and coaxiality of a seal lip, a lip type seal installed to an inner periphery of a shaft hole of a housing in slidable contact with a peripheral surface of a shaft for inhibiting a sealed fluid in the machine from leaking to an atmospheric air side, has a cartridge fitted to an inner periphery of the shaft hole, a first lip seal member made of a rubber-like elastic material and fitted in a non-bonding manner to the cartridge, a case fitted in a non-bonding manner to the first lip seal member, a second lip seal member made of a resin and a backup ring supporting the second lip seal member which are retained by caulking to the case, and an adapter fitted to the cartridge at a sealed fluid side of the first lip seal member. | 09-08-2011 |
| 20110215531 | SLIDING COMPONENT - An aspect of the invention provides a sliding component in which a phase made of liquid and a phase made of gas, which are formed in a sliding portion, are stabilized. A sliding component constitutes one of two sliding components that rotate relatively, and planar end faces of the two sliding component slide on each other. In the sliding component, a plurality of dimples is arrayed in a sliding surface such that, in a phase made of liquid and a phase made of gas, the phase made of the gas is positioned when the two components rotate relatively. The phase made of the liquid and the phase made of the gas are formed so as to revolve about rotation centers of sliding portions of the two components. | 09-08-2011 |
| 20110114204 | CONTROL VALVE - The present invention enlarges the working pressure flowing into the working chamber and improves the response ability of the valve controlling the fluid using a compact solenoid portion. In the control valve according to the present invention, the first effective pressure receiving area of the first pressure sensing spring apparatus, the first pressure receiving area of the first poppet valve and the second pressure receiving area of the second poppet valve are made substantially equal while the second effective pressure receiving area of the second pressure receiving spring apparatus are made larger than the first effective pressure receiving area of the first pressure receiving spring apparatus; and the valve seat body co-operates with the first valve body to close and open the first poppet valve and the second poppet valve in accordance with a pressure of the working fluid flowing into the communication chamber from the third poppet valve when the third poppet valve is opened and the fourth poppet valve is closed by moving the solenoid rod forward. | 05-19-2011 |
| 20110101617 | Double Mechanical Seal Device - The present invention provides a cartridge type double seal having a size small enough to be mounted on the outer surface of an apparatus without using a space in a stuffing box and without requiring any special design and modification. In a seal device ( | 05-05-2011 |
| 20110101616 | Mechanical Seal Sliding Member, and Mechanical Seal - The present invention provides a mechanical seal sliding member with high lubricating characteristics, in which the coefficient of friction and the temperature of sliding surfaces are lowered and stabilized without excessive leakage. In the mechanical seal sliding member of the present invention, on the sliding surface | 05-05-2011 |
| 20110061749 | CONTROL VALVE - A control valve capable of performing capacity control independent of the pressure of operation fluid and according to preset conditions. The control valve opens and closes a first poppet valve and a second poppet valve by a solenoid section where a solenoid rod is moved according to the magnitude of an electric current. In the control device, the following pressure-receiving areas are set to be substantially equal to each other: the first effective pressure-receiving area of a first pressure-sensing spring device forming the first poppet valve and the second poppet valve, the second effective pressure-receiving area of a second pressure-sensing spring device, the first pressure-receiving area on the inner side of a portion where a first valve seat surface and a first valve section surface are in contact with each other, and the second pressure-receiving area on the inner side of a portion where a second valve seat surface and a second valve section surface are in contact with each other. | 03-17-2011 |
| 20110057133 | SOLENOID VALVE - Provided are a solenoid valve which is configured such that the valve body is not deformed when a retainer is mounted and which can be easily assembled, and a method of manufacturing the solenoid valve. A solenoid valve is provided with a valve body inside which a spool is provided so as to move in an axial direction, a solenoid section which is mounted to one end of the valve body in the axial direction thereof, and a retainer which is mounted to the other end of the valve body in the axial direction thereof. The retainer is fixed by a staking section which is provided to an end of the valve body in the axial direction thereof and staked in the axial direction. | 03-10-2011 |
| 20110037232 | MECHANICAL SEAL DEVICE - The present invention provides a mechanical seal device, capable of sealing special fluid such as chemicals, easy to be mounted to a device and small in size. The mechanical seal device comprises a seal cover, a first seal ring axially-movably arranged in an inner circumference side of the seal cover, a second seal ring fixed to a rotary shaft, a spring arranged in the inner circumference side of the seal cover and pressing the first seal ring in a direction toward the second seal ring and a bellows mounted to the inner circumference side of the seal cover and axially-expandably mounted between the seal cover and the first seal ring. The spring is mounted to the seal cover along the axial direction in which the bellows is expanded and contracted. | 02-17-2011 |
| 20110031744 | ROTARY JOINT - A rotary joint of the present invention maintains cryogenic temperature of a supplying refrigerant flowing through a fluid passage, and makes available to lubricate a seal face by the supplying refrigerant as well as to minimize a running cost for the refrigerant. The rotary joint of the present invention is that, in a mechanical seal device ( | 02-10-2011 |
| 20110018255 | ROTARY JOINT - The present invention provides a rotary joint which is available to maintain a cryogenic supplying refrigerant which flows in a fluid passage by a vacuum thermal insulation so that a cooling portion is cooled certainly. The rotary joint of the present invention comprises a vacuum use cylindrical shaft ( | 01-27-2011 |
| 20100327533 | SHAFT SEALING DEVICE - A shaft sealing device in which a load acting on a sliding section of the device is reduced to extend the life of the device and which permits no leakage of fluid in a machine to an atmospheric air to eliminate the need of recovery of the fluid. The shaft sealing device has seals arranged in three stages in the axial direction between a seal case and a rotating shaft passed through the inner periphery of the seal case. Of the seals of the three stages, a first-stage seal on the machine's inner side and a third-stage seal on the machine's outer side have a contact type mechanical seal structure in which a rotational sealing element and a stationary sealing element are in close sliding contact with each other. Further, of the seals of the three stages, the intermediate second-stage seal has a contactless mechanical seal structure in which a rotational sealing element and a stationary sealing element are kept by dynamic pressure so as not to be in contact with each other. A high-pressure sealing liquid is supplied by the pressure of fluid in the machine to an annular space surrounded by that portion of the seal case which extends from the first-stage seal to the second-stage seal. | 12-30-2010 |
| 20100320698 | INSTALLATION STRUCTURE FOR LIP TYPE SEAL - To enable to use a lip type seal at installation positions where shaft diameters are same but shaft hole diameters are different, an installation structure is made such that a lip type seal ( | 12-23-2010 |
| 20100320697 | LEAF SEAL DEVICE - The present invention provides a leaf seal device which is available to assemble easily and to control and to set an inclination angle and a space of a sealing section. In the leaf seal device of the present invention, a connection holding section | 12-23-2010 |
| 20100282991 | CONTROL VALVE - A control valve where an on/off valve of a valve body has improved response. The control valve has a body having valve seat surfaces placed in first and second valve chambers; a supply port, an output port, and a discharge port of the body; a first pressure-sensing device having a second communication path capable of communicating with the discharge port; the valve body having a first communication path that communicates with the second communication path, having a first valve section surface that forms a first valve seat surface and a poppet, and having a second valve section surface; a valve seat body having a second valve seat surface that forms the second valve section surface of the valve body and a second poppet and also having a first inner path capable of communicating with the first communication path; a second pressure-sensing device connected to the valve seat body in the second valve chamber and having a second inner path capable of communicating with the first inner path; and a solenoid section connected to the valve seat body. The first effective pressure-receiving area of the first pressure-sensing device, the first pressure-receiving area on the inner side of a portion where the first valve seat surface and the first valve section surface are in contact with each other, and the second pressure-receiving area on the inner side of a portion where the second valve seat surface and the second valve section surface are in contact with each other are set to be substantially the same, and the second effective pressure-receiving area of the second pressure-sensing device is set greater than the first effective pressure-receiving area. | 11-11-2010 |
| 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 |
| 20100244389 | LIP TYPE SEAL - To facilitate recycling and prevent rotation of constituent parts, a lip type seal has a first lip seal member constructed from a rubber-like elastic material, a metal-made retaining ring held at the first lip seal member without bonding, and a resin-made second lip seal member and a backup ring which are held at the retaining ring by caulking. The first lip seal member has a tubular portion, a radial portion, a seal lip, and a collar portion. The retaining ring has a cylinder portion, a first flange portion, and a second flange portion, and the second lip seal member and the backup ring are held between the first and second flange portions by caulking. A convex portion is provided at a position in the circumferential direction of the first flange portion, and the convex portion engages with the second lip seal member to prevent rotation of the second lip seal member. | 09-30-2010 |
| 20100237564 | Mechanical Seal - The present invention provides a mechanical seal preventing the deformation of the cartilage and exhibiting a good sealing performance. In said mechanical seal, the deformation of the back portion | 09-23-2010 |
| 20100230903 | SEALING APPARATUS - The objective of the present invention is to provide a sealing apparatus having a simple structure and good sliding lifetime, and suitable to transfer a motion from an outside into the closed space such as a clean room or a chamber or so. The present invention is a sealing apparatus comprising a shaft transferring the mechanical motion, a housing through which the shaft penetrates, a magnetic force generating means generating a magnetic force, a pair of inner protruded edge forming a sealing groove by projecting toward the shaft from the housing, a magnetism transferring member transferring the magnetic force generated from the magnetic force generating means by provided adjacent to the magnetic force generating means, a sealing member sliding against the outer face of the shaft, and a magnetic fluid held between the shaft and the magnetism transferring member due to the magnetic force generated by the magnetic force generating means; wherein a fluid holding projection portion projecting out towards the shaft and the sealing member is formed at an end portion near by the shaft of a first inner protruded edge among said pair of the inner protruded edge adjacent to the magnetic force generating means. | 09-16-2010 |
| 20100200566 | HEATING APPARATUS - The present invention is to provide a heating apparatus available to reduce temperature quickly with efficient cooling effects in the case of reducing the temperature of a chamber or the like. A substrate processing apparatus | 08-12-2010 |
| 20100187770 | SEALING DEVICE - Included are an exterior sealing member ( | 07-29-2010 |
| 20100162553 | DIAPHRAGM DAMPER AND METHOD OF PRODUCTION AND PRODUCTION APPARATUS OF SAME - A method of producing a diaphragm damper | 07-01-2010 |
| 20100051838 | CAPACITY CONTROL VALVE - A capacity control valve includes a solenoid portion; a tube placed in the solenoid portion; and a movable core which forms a slide surface that is fitted to the tube. An actuation rod has a joint portion and a valve body, the joint portion being engaged with an abutting surface of a solenoid rod portion, and the valve body opening or closing a control fluid passage. The joint surface of the solenoid rod portion or the abutting face of the actuation rod has a concave cone-shape surface while the other has a convex cone-shape portion. A bottom face of the concave cone-shape surface is formed as a wide area of either a planar surface or a circular cross section, wherein a head portion of the convex cone-shape portion is truncated to form a truncated cone surface, the truncated cone surface corresponding to the bottom face of the concave cone-shape surface. | 03-04-2010 |
| 20090315272 | BRUSH SEAL DEVICE - A divided brush seal comprises a base portion to shut off a sealing fluid side area and environment area, a first end portion having a first connecting face at one side divided end of the base portion, a second end portion having a second connecting face at another divided end of the base portion which connects with the first end portion, a seal brush having bristle groups to seal the sealing fluid provided parallel to a supporting face with coupling one end thereof to a fixed portion which connects with the base plate, wherein the first end portion and the second end portion comprise a first bristle groups respectively, a wire diameter of a first bristle of the first bristle groups is thicker with respect to a wire diameter of a second bristle of a second bristle groups provided between the first bristle group of the first end portion and the first bristle group of the second end portion, the first bristle group of the respective divided brush seal and the first bristle group of the other side divided brush seal adjacent thereto are sequentially arranged. | 12-24-2009 |
| 20090300900 | MECHANICAL SEAL DEVICE - A primary technical goal of a mechanical seal device of the present invention is to decrease assembly cost thereof as well as machining cost thereof and to prevent wear of seal surfaces by preventing occurrence of squealing noises of the seal surfaces. The mechanical seal device comprises a first seal ring which is one of a pair of seal rings and disposes an engagement portion at the outer circumferential surface, a retainer ring which has a first support portion supporting an inner diameter surface of the first seal ring and a second support portion engaging the engagement portion and is fixed with either a seal housing or a shaft, and a gasket which joins the retainer ring and the first seal ring in a sealing manner, wherein an engagement clearance (C) formed in a rotational direction between the engagement portion and the second support portion is within 0.5 mm. | 12-10-2009 |
| 20090206555 | SHAFT SEAL APPARATUS - The shaft seal apparatus is comprised of a first sealing portion, a second sealing portion, a first backup diaphragm and an engagement ring, wherein the first sealing portion has a fit mount portion, a first sealing lip and a reinforcement ring, in which the fit mount portion is retained sealingly in the seal housing side, in which an inner circumferential surface of the first sealing lip sealingly fits against the outer circumferential surface of the shaft for providing a seal against the pressurized fluid, in which the reinforcement ring has a reinforcement portion, a cylindrical portion and a joint portion, the reinforcement portion provides a reinforcement against the fit mount portion side of the first sealing lip, the cylindrical portion is integrally joined with the fit mount portion, the joint portion is disposed in the other end of the cylindrical portion, wherein the second sealing portion has a support portion and a second sealing lip, in which the second sealing portion is made of a resin material, the support portion is in tight contact against the first sealing portion by the opposite side relative to the pressurized fluid, the support portion is arranged in parallel to the first sealing portion, wherein the first backup diaphragm is supported by the reinforcement ring or an engagement ring which retains the support portion of the second sealing portion, wherein the engagement ring has a fitting portion, a first engagement portion and a second engagement portion in which the fitting portion fits in the bore surface of the seal housing, the first engagement portion engages against the end face of the seal housing, the second engagement portion allows the first engagement portion to support the reinforcement ring, wherein a seal is disposed between the contact surfaces of the engagement ring and the bore surface and the radial thickness of the seal is arranged smaller than the reinforcement ring or the engagement ring. | 08-20-2009 |
| 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 |
| 20090183786 | Displacement Control Valve - The present invention comprising a valve main body having a first valve chamber, a second valve chamber and a third valve chamber, said first valve chamber communicating with a first communication passage, said second valve chamber having a second valve seat face for a valve hole and communicating with a second communication passage, said third valve chamber having a third valve seat face and communicating with a third communication passage; a valve body having a first valve member, a second valve member and a third valve member, said second valve member having a intermediate communication passage therein communicating with said first valve chamber and said third communication passage, said second valve member opening and closing a valve hole with respect to second valve seat face, thereby communicating with said first valve chamber and said second valve chamber, said third valve member performing a valve opening/closing action with respect to said third valve seat face in an reverse manner against said second valve member, thereby opening or closing the communication with said intermediate communication passage and said third communication passage, said first valve member performing a valve opening/closing action in the same direction to said second valve member; a pressure sensing member having a valve seat portion, said valve seat portion being disposed at a free end of said pressure sensing member, said valve seat portion performing a valve opening/closing action with respect to said first valve member, thereby opening or closing the communication with said first valve chamber and said intermediate communication passage; and a solenoid member driving said valve body in accordance with an electric current supplied thereto; and an auxiliary communication passage providing a communication between said first valve chamber and said intermediate communication passage. | 07-23-2009 |
| 20090134585 | LIP TYPE SEAL - For easier separation and sorting by material of constructing parts and better assembly retainability among the constructing parts and installing workability, a lip type seal has a elastic material-made first lip seal member ( | 05-28-2009 |
| 20090114871 | Flow Control Valve - A capacity control valve where a valve section is caused to be in contact with and separated from a valve seat by a valve rod to control the flow rate of pressurized fluid. The capacity control valve includes a first valve rod having a valve section and having a first peripheral surface formed on its outer periphery, a first valve chamber having a valve seat that comes into contact with and is separated from the valve section and having a first path into which pressurized fluid flows, and a valve housing having a through-hole that is movably fitted on the first peripheral surface of the first valve rod. The through-hole of the valve housing has a first tapered surface diverging as it goes away in the axial direction from the first valve chamber. | 05-07-2009 |
