Featured patents

Hydraulic Fluid Pump Having a Sealing Element
US 08800427 B2, Aug. 12, 2014, With undistortable member secured to central portion of diaphragm, Reiner Fellmeth / Robert Bosch GmbH (Stuttgart, DE)
A hydraulic fluid pump, in particular of a vehicle brake system, having…

Methods and Systems for Managing a Clearance Gap in a Piston Engine
US 08720317 B2, May 13, 2014, Spaced Cylinder and Piston Walls Define Passage Between Opposed Piston Side Wall Ends, John Lawler et al. / EtaGen, Inc. (Menlo Park, US)
A piston and cylinder assembly having a fluid bearing, the piston and cylinder…

Rotation Device
US 08701545 B2, April 22, 2014, Non-metallic, Tatuwo Kudawara et al. / SQUSE Inc. (Kyoto-shi, JP)
A rotation device comprising:…

Hydraulic Cylinder Contamination Prevention System
US 08683912 B2, April 1, 2014, With Non-Sealing Cleaning Means, Kenneth E. Hey et al. / Sunstream Corporation (Kent, US)
A submersible hydraulic cylinder contamination prevention system for use…

Piston With Central Directional Oil Flow and Wrist Pin Lubrication Feature and Method of Construction Thereof
US 08616114 B2, Dec. 31, 2013, With ported chamber in piston part for circulating heat exchange fluid, Carmo Ribeiro / Federal-Mogul Corporation (Southfield, US)
A piston, comprising:…

Energy Storage Device, Actuator and Method
US 08549986 B2, Oct. 8, 2013, Bias normally held inoperative by fluid pressure, Jack David Farmer / Baker Hughes Incorporated (Houston, US)
An energy storage device comprising:…

Cylinder Liner and Method of Manufacturing the Same
US 08505438 B2, Aug. 13, 2013, Cylinder or liner retained in casing by casing closure or closure associated means, Jinwoo Cho et al. / Yoosung Enterprise Co., Ltd. (Asan-Si, KR)
A method of manufacturing a cylinder liner, comprising:…

Diaphragm Pump
US 08474365 B2, July 2, 2013, Shaft axis intersected by axes of working members, Stephan Kaufmann et al. / KNF Flodos AG (Sursee, CH)
A diaphragm pump (1) comprising at least two pump heads (3) arranged around…

Piston With a Skirt Having Oil Flow Slots and Method of Construction Thereof
US 08474366 B2, July 2, 2013, Circumferentially spaced portions at free end of skirt, Airton Martins et al. / Federal-Mogul Corporation (Southfield, US)
A piston, comprising:…

Piston-Pin Bore Dimensions for a Piston of an Internal Combustion Engine
US 08443715 B2, May 21, 2013, With separable means for pivotally mounting connecting rod to piston, Hartmut Kamp / KS Kolbenschmidt GmbH (Neckarsulm, DE)
A piston with a piston boss in which a piston-pin bore is located to accommodate…

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