Kevin Chen
Kevin Chen, Canton, MI US
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20110023839 | EGR COOLER BYPASS STRATEGY - A system and method for controlling an engine control an EGR cooler bypass valve to divert at least a portion of EGR flow around an EGR cooler when operating under cooler fouling/plugging conditions, such as during idle, off-idle, exhaust system warm up and DPF regeneration or other post injection operation with EGR gas temperature below a corresponding threshold or with EGR low-temperature coolant temperature below a corresponding threshold. The system and method reduce exhaust gases passing through the EGR cooler that contain a high concentration of unburned or partially unburned fuel when the temperature in the EGR system is lower than the fuel condensation temperature. | 02-03-2011 |
20110047982 | CONTROL OF DIESEL PARTICULATE FILTER REGENERATION DURATION - Termination of regeneration of a particulate filter may be based on a variable percent threshold of stored particulate, where the percent threshold of stored particulate depends on a current soot burn rate. In one example approach, a method for controlling regeneration of a diesel particulate filter comprises: terminating regeneration based on a particulate burning rate; wherein the particulate burning rate is based on operating conditions of the diesel particulate filter; the operating conditions including an amount of stored particulate in the diesel particulate filter and a temperature of the diesel particulate filter. | 03-03-2011 |
20110167805 | METHOD FOR REDUCING UREA DEPOSITS IN AN AFTERTREATMENT SYSTEM - Various systems and methods are described for controlling a diesel aftertreatment system coupled to an exhaust system of an engine which includes a selective catalytic reduction (SCR) catalyst and a diesel particulate filter (PF). In one example, a threshold amount of urea injected to the SCR catalyst is adjusted based on an amount of soot generated by the engine and the total amount of urea injected to the SCR catalyst is limited by the threshold. For example, when the amount of soot generated by the engine is below a first threshold amount, the threshold amount of urea injection is reduced. When the amount of soot generated by the engine is above a second threshold amount, which is greater than the first threshold amount, the threshold amount of urea injection is increased. | 07-14-2011 |
20120023910 | Particulate Filter Regeneration Control System and Method - Systems and methods for controlling regeneration of a diesel particulate filter in a vehicle engine exhaust include detecting a distance of an object from the exhaust and controlling a regeneration event if the distance is less than a threshold value. The system and method may include a particulate filter disposed in the exhaust of the vehicle and a proximity sensor disposed adjacent an exhaust opening and positioned to detect presence of an object near the opening. A controller in communication with the proximity sensor is adapted for controlling regeneration of the particulate filter in response to the proximity sensor detecting the object near the opening. | 02-02-2012 |
20130131912 | METHOD AND APPARATUS FOR ESTIMATING REPLACEMENT OF VEHICLE ENGINE OIL - A method generates a useful life indication of a lubricating fluid in an engine. Initially, a quantity of use of an engine and a time of use of the engine are measured. A useful life indication of a lubricating fluid in the engine is generated based upon a first relationship between the quantity of use of an engine and the time of use of the engine when an operating characteristic is at or below a predetermined amount, such as the average speed of a vehicle containing the engine. The useful life indication of the lubricating fluid in the engine is generated based upon a second relationship between the quantity of use of an engine and the time of use of the engine when the operating characteristic is above the predetermined amount. | 05-23-2013 |
20130276445 | CONTROL OF DIESEL PARTICULATE FILTER REGENERATION DURATION - Termination of regeneration of a particulate filter may be based on a variable percent threshold of stored particulate, where the percent threshold of stored particulate depends on a current soot burn rate. In one example approach, a method for controlling regeneration of a diesel particulate filter comprises: terminating regeneration based on a particulate burning rate; wherein the particulate burning rate is based on operating conditions of the diesel particulate filter; the operating conditions including an amount of stored particulate in the diesel particulate filter and a temperature of the diesel particulate filter. | 10-24-2013 |
Kevin Chen, Rancho Palos Verdes, CA US
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20100282880 | Paper Shredder Control System Responsive to Touch-Sensitive Element - The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive. | 11-11-2010 |
20110133008 | PERMITTIVITY-BASED PAPER SHREDDER CONTROL SYSTEM - The invention is directed to a permittivity-based paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction bioshield controller. The bioshield controller then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive. | 06-09-2011 |
20110316356 | PAPER SHREDDER CONTROL SYSTEM RESPONSIVE TO TOUCH-SENSITIVE ELEMENT - The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive. | 12-29-2011 |
20130037637 | DEPOWERED STANDBY PAPER SHREDDER AND METHOD - Apparatus and method for a power-saving shredder, including motorized shredder blades; a shredder controller coupled to the motor controller; a timer coupled to the motor controller, and a mechanically-actuated switch (GREEN SWITCH) couples to the shredder controller. The GREEN SWITCH causes the shredder controller, the motor controller, the motorized shredder blades, and the timer to be activated. The Normally Off switch, when deactuated, causes motorized shredder blades to deactivate. A method of operating a paper shredder includes operating a mechanical actuation switch ON; applying power to paper shredder electrical and electronic elements by operating the mechanical actuation switch; setting a timer for a predetermined active period; operating motorized paper shredder blades by operating the mechanical actuation switch ON; operating the mechanical actuation switch OFF; counting by the timer the predetermined active period; and if the predetermined active period has expired, removing power from the paper shredder electrical and electronic elements. | 02-14-2013 |
20130037639 | WASTE BIN LEVELING SYSTEM FOR A PAPER SHREDDER - A paper shredder having a ventilation fan; a ventilation duct tightly coupled to the ventilation fan; and air openings on the ventilation duct to blow air so that the natural fall of paper waste is disturbed. The air openings are on the ventilation duct blow air generally sideways or generally angularly to the natural fall of paper waste. The ventilation fan intake is proximate to and provides supplemental cooling air flow to, a shredder motor. A lower lid is generally above the waste bin, wherein the air openings are disposed to blow air. The shredder motor is on the lower lid. A ventilation fan intake is proximate to a shredder motor and tightly coupled to the ventilation fan, the ventilation fan intake provides supplemental cooling air flow to the shredder motor, and the air openings are on the ventilation duct blow air angularly to the natural paper waste fall. | 02-14-2013 |
20130099040 | GROOVED INCISOR SHREDDER CUTTING BLADE SET AND METHOD - A grooved incisor blade set for paper shredders is disclosed. A blade includes a crown, a groove juxtaposed with the crown, and a center hole for a cutting arbor, where the crown and the groove define a relief channel. A stair-shaped, U-shaped or V-shaped blade assembly is described. In one embodiment, a notched grooved incisor blade having notches proximate to the central hole comes in contact with a mating grooved incisor blade also having a central hole. Force is applied to the mating blade to displace some of the body of the mating blade into the notches, affixing the blades together. A method for forming shredder cutting blades includes providing a strip of metal, forming a crown in the strip of metal, forming a relief groove juxtaposed to the crown in the strip of metal, thereby forming a relief channel, and trimming the grooved incisor blade of excess metal. | 04-25-2013 |
Kevin Chen, Taichung City TW
Kevin Chen, Taipei Hsien TW
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20090117777 | KEYBOARD, VIDEO AND MOUSE (KVM) SWITCH - A cable device including a plurality of cables and connecting ports. The cable device may act as a keyboard, video and mouse (KVM) switch system that facilitates controlling different computers with one set of keyboard, video and mouse. In one embodiment, a cable device includes a switching circuit, a plurality of connector ports electrically coupled to the switching circuit, a first cable fixedly connected to the switching circuit, the first cable comprising at least one first connector plug, and a second cable fixedly connected to the switching circuit, the second cable comprising at least one second connector plug, wherein the switching circuit operably selects which of the first and second cables is in communication with the connector ports. | 05-07-2009 |
Kevin Chen, Taipei TW
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20090106477 | ASYNCHRONOUS/SYNCHRONOUS KVMP SWITCH FOR CONSOLE DEVICES AND PERIPHERAL DEVICES - A signal switch for sharing a video monitor, a plurality of console devices compliant with an industry standard and one or more than one peripheral device in any of a plurality of computer systems, is provided comprising a CPU with a first memory for storing a management program for managing the signal switch; a hub switch module connected to the CPU and configured to communicate with any of the plurality of computer systems, and the one or more than one peripheral device; a device control module for emulating according to the industry standard the plurality of console devices, connected to the CPU and the hub switch module; a host control module connected to the CPU and configured to communicate with the plurality of console devices; and a video control module connected to the CPU and configured to communicate with a video monitor device. | 04-23-2009 |
Kevin Chen, Sanchong TW
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20080232055 | Cabinet for Storing Rack Mount Computer - A cabinet for storing a plurality of rack mount computers is described. The rack mount computers respectively include a plurality of hosts each having a hard disk. The cabinet includes a plurality of drawer-shaped chassis. They are arranged side by side, for respectively contain the hosts. At least one of the rack mount computers can be pulled out by pulling out the drawer-shaped chassis containing the one of the rack mount computers. The pulled drawer-shaped chassis has an L-shaped cap on the hard disk of the host of the pulled rack mount computer. | 09-25-2008 |
Kevin Chen, Dongguan City CN
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20120204449 | SHOE - A shoe having an upper and a curved sole member, the sole member may be comprised of one unitary piece or a separate midsole and a separate outsole. The curvature results from the sole member tilting along a center of mass axis that extends through a point in the vicinity of the lateral side of the heel region of the sole member to a point in the vicinity of the medial side of forefoot region of the sole member. The center of mass axis runs diagonally along the entire length of the shoe. Due to the curvature, the sole member has a non-uniform thickness. The curvature of the sole member allows the user's foot to be guided in a more natural motion providing more movement efficiency and comfort. | 08-16-2012 |
20140013624 | ARTICLE OF FOOTWEAR HAVING ARTICULATED SOLE MEMBER - The invention is a shoe with an upper and a sole member. The sole member has multiple individual pieces connected to each other by connectors. The connectors are placed below the top surface of the sole member and above the bottom surface of the sole member. The connectors may connect the individual pieces of the sole member laterally and longitudinally. | 01-16-2014 |
Kevin Chen, Palos Verdes, CA US
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20130200186 | PAPER SHREDDER WITH THERMO-REGULATED MOTOR - A paper shredder with a thermo-regulated motor, a universal motor, and a method for cooling a motor. Paper shredder includes a shredder mechanical assembly and a thermo-regulated motor with motor stator core housing, coupled to the shredder mechanical assembly. Thermo-regulated motor includes conductive stay secured to housing. Conductive band and conductive stay act to dissipate motor heat. Thermoelectric cooler is coupled to the conductive band; and insulative stay is secured to the housing with a conductive band. Thermoelectric cooler continues to cool the housing after the motor is deenergized. A universal motor having conductive stays and insulative stays physically coupled to the housing; and one conductive band securing the insulative stays and conductive stays to the housing. The universal motor can include thermoelectric coolers. Also, a method for cooling a motor, which includes providing a conductive band and providing a conductive stay interposed between the conductive band and the housing. | 08-08-2013 |
20140084093 | SAFETY SHREDDER - A safety inlet apparatus for a paper feed opening of a shredder, with cutting cylinders including an upper casing having a feed end with a safety dam with upper and lower indices. An angled plate means set apart from the upper casing forms the paper feed opening. A safety plate with a distal index end is provided, which is formed to traverse the feed opening from the angled plate to the safety dam. Also included is a pivot, and a power control switch. The pivot is configured to facilitate traversal of the safety plate distal index from the angled plate to the safety dam. The power limit switch is on the upper casing, apart from the pivot member. The traversal of the safety plate distal index end to the safety dam lower index causes the power control switch to stop comminution. A buckle bit plate provides open and closed detents. | 03-27-2014 |
Kevin Chen, Hillsboro, OR US
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20140199518 | Facile Large Area Periodic Sub-Micron Photolithography - Disclosed herein are articles and methods useful for the lithographic applications. The articles comprise a wrinkling structure and a photosensitive material. The articles and methods provide low cost alternatives to conventional lithographic applications. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 07-17-2014 |
Kevin Chen, Palos Verdes Estates, CA US
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20140246024 | AUTO-FEEDBACK VALVE FOR A SLEEP APNEA DEVICE - A device for treating a patient suffering from obstructive sleep apnea or snoring can include an expiratory valve connected to a manifold. The expiratory valve can include a body portion including a feedback port configured to be connected to an air flow generator. The expiratory valve can include a plunger at least partially disposed in the body portion. The expiratory valve can include a pressurizing chamber positioned between an end of the plunger and an end of the expiratory valve. The pressurizing chamber can be configured to receive air from the air flow generator through the feedback port. | 09-04-2014 |
20140246025 | AUTO-FEEDBACK VALVE FOR A SLEEP APNEA DEVICE - A device for treating a patient suffering from obstructive sleep apnea or snoring can include an expiratory valve connected to a manifold. The expiratory valve can include a body portion including a feedback port configured to be connected to an air flow generator. The expiratory valve can include a plunger at least partially disposed in the body portion. The expiratory valve can include a pressurizing chamber positioned between an end of the plunger and an end of the expiratory valve. The pressurizing chamber can be configured to receive air from the air flow generator through the feedback port. | 09-04-2014 |
20160051791 | Apparatus, Systems, and Methods For Treating Obstructive Sleep Apnea - Apparatus, systems, and methods are provided for treating obstructive sleep apnea. A unitary valve assembly removably located inside the exterior profile of a nasal pillow mask uses positive airway pressure from a low-flow hose to automatically create an on-demand therapeutic air splint in the pharynx. During inspiration the mask's valving system allows room air to be inspired. During exhalation another valve governs therapeutic backpressure equal to the prescribed pressure setting of the CPAP blower machine. The mask may be worn when the CPAP blower machine is off, and systems are provided for turning the CPAP blower machine on only when needed. | 02-25-2016 |
Kevin Chen, Menlo Park, CA US
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20150083813 | Soliciting user input for thermostat control - A device or arrangement may be configured to receive a temperature limit such as an acceptable maximum temperature as well as a tolerance measure such as a number of acceptable events, the events causing the temperature to be outside of the temperature limit. An air comfort device may be operated based on the received temperature limit and the tolerance measure. A potential cost value may be provided based on a temperature limit and tolerance measure. A temperature limit and tolerance measure may be calculated based on a target cost value such that the arrangement may modify a temperature limit and/or tolerance measure to achieve the target cost value. | 03-26-2015 |
Kevin Chen, Shanghai CN
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20150175619 | SUBSTITUTED PYRAZOLES AND USES THEREOF - The present invention provides for compounds of formula 0 and various embodiments thereof, and compositions comprising compounds of formula 0 and various embodiments thereof. | 06-25-2015 |
Kevin Chen, Ranch Palos Verdes, CA US
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20150273477 | GROOVED INCISOR SHREDDER CUTTING BLADE SET AND METHOD - A grooved incisor blade set for paper shredders is disclosed. A blade includes a crown, a groove juxtaposed with the crown, and a center hole for a cutting arbor, where the crown and the groove define a relief channel. A stair-shaped, U-shaped or V-shaped blade assembly is described. In one embodiment, a notched grooved incisor blade having notches proximate to the central hole comes in contact with a mating grooved incisor blade also having a central hole. Force is applied to the mating blade to displace some of the body of the mating blade into the notches, affixing the blades together. A method for forming shredder cutting blades includes providing a strip of metal, forming a crown in the strip of metal, forming a relief groove juxtaposed to the crown in the strip of metal, thereby forming a relief channel, and trimming the grooved incisor blade of excess metal. | 10-01-2015 |
Kevin Chen, Taipei City TW
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20150308612 | Automatic Rise Jack Stand - One jack stand includes a stand assembly having a base and a tubular receiving member extending upwardly therefrom. A latch extends from the tubular member. A support bar having upper and lower ends is telescopically housed in a cavity of the tubular member. First and second sides of the bar each have multiple embedded slots. A third side of the bar has multiple holes with angled surfaces such that positioning the latch in any of the holes restricts the bar from moving upwardly yet allows the bar to move downwardly. An automatic lifting device is at least partially inside the cavity and imparts an upward force upon the bar. A stopper selectively interacts with the stand assembly and the bar to restrict the bar from moving downwardly, yet allows the bar to move upwardly. The stopper passes at least partially inside two of the slots to interact with the bar. | 10-29-2015 |
Kevin Chen, Reading, MA US
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20160048408 | REPLICATION OF VIRTUALIZED INFRASTRUCTURE WITHIN DISTRIBUTED COMPUTING ENVIRONMENTS - A management platform, which includes a plurality of virtual machines, wherein one virtual machine utilizes a first hypervisor and is linked to resources in a first virtual environment of an enterprise data center, and one virtual machine uses a second heterogeneous hypervisor and is linked to resources in a second virtual environment of a cloud. A user interface allows a user to set a policy with respect to disaster recovery of the computing resources of the enterprise data center. A control component replicates some of the infrastructure of the enterprise data center to the second virtual environment of the cloud computing infrastructure, controls the plurality of virtual machines to provide failover to the cloud computing infrastructure when triggered based at least in part on the user-set policy, and controls the plurality of virtual machines to provide recovery back to the enterprise data center after failover to the cloud computing infrastructure. | 02-18-2016 |