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Match Document Document Title
8997632 Cylinder apparatus and method of manufacturing cylinder apparatus  
A metallic protecting cover is formed from two axially split members, i.e. a first protecting cover member secured to a mounting eye, and a second protecting cover member having an overall length...
8960388 Spring with fluid  
A spring (1) with fluid (2) including a containment body (3) having an inner chamber (4) in which the fluid (2) is inserted, a compression unit (8) slidably mounted on the containment body (3) and...
8955537 Stem guide apparatus for use with fluid valve actuators  
Actuator stem guide apparatus for use with fluid valve actuators are described. An example actuator stem guide apparatus includes a base having an opening to allow an actuator stem of the fluid...
8800428 Axial displacement device for a vehicle transmission  
A device for axially displacing a shaft in a vehicle transmission is provided, in particular a vehicle transmission of a commercial vehicle. In the device, forces are exerted on the shaft of the...
8746661 Hydro-pneumatic piston accumulator  
The invention relates to a hydro-pneumatic piston accumulator (1), particularly for vehicle suspension systems, consisting of an accumulator housing (2) and a separating piston (6), which is...
8739684 Fluid pressure apparatus  
In a fluid pressure apparatus, a packing includes an annular seal member made of an elastic material, and support rings made of a low-friction material, which are mounted on an outer circumference...
8707853 Reciprocating pump assembly  
A reciprocating pump assembly having a power end housing and a fluid end housing and a cylinder having at least a portion within the power end. A plunger assembly reciprocates between the power...
8671825 Fluid pressure cylinder  
When a fluid pressure cylinder (1) is in a maximum expansion state, a piston (40) contacts a cylinder head (30). The cylinder head (30) is fixed to a cylinder tube (10) by a plurality of head...
8662047 Handheld work apparatus  
A handheld work apparatus has an internal combustion engine (9, 9′, 9″) and a starter device (8). The internal combustion engine has a piston (10, 10″) which has at least one piston ring (37, 38)....
8590442 Gasket for high-pressure pump and high-pressure pump comprising said gasket  
A high-pressure pump is provided with a high-pressure delivery line, a low-pressure supply line, a pumping element defined by a piston and cylinder, a cylinder head, and a gasket. The gasket is...
8561768 Vehicle damper and method  
A damper for use in vehicle and automotive applications can include a structure for sealing a top portion of the damper such that standing water is prevented from residing adjacent the...
8549987 Piston seal guide bearing  
A priming piston reciprocating pump 10 has piston guide 14 which encircles piston 16 and is provided a bearing member 22 in the inner diameter of the upper end of the guide 14. The bearing 22 is...
8516813 Rod seal assembly for a stirling engine  
A rod seal assembly for a Stirling Engine of the type having two or more piston assemblies reciprocating within cylinder bores. The rod seal assembly seals against a connecting rod extending...
8511219 Zero emissions reciprocating pump  
A sealing system for a pump includes a housing having an internal chamber adapted to receive a portion of a plunger. A primary seal is translatable within the chamber in sealing relation with the...
8453558 Ram bearing assembly, seal assembly therefor and associated method  
As seal assembly for a ram assembly is provided. An elongated ram extends through the seal assembly. The seal assembly includes a housing body, a plurality of seals and a retaining, and...
8453557 Piston actuator assembly  
A piston actuator assembly having includes a piston liner slidably disposed within a housing. A piston is slidably disposed within the piston liner and partially slidably disposed in the valve...
8191460 Zero emissions reciprocating pump  
A sealing system for a pump having a plunger includes a housing having an internal chamber adapted to receive a portion of the plunger. Primary and secondary seals are located within the internal...
8127902 Annular sealing assembly for insertion between two mechanical members in relative motion, in particular a linear reciprocating motion, as a rod and the relative guiding seat of a mono-tube shock-absorber  
A sealing assembly including a sealing ring made of elastomeric material and having, integrally in one piece, at least one elastically deformable, annular sealing lip, at least part of which...
8109491 Vibration damper with a stop spring  
A vibration damper, comprising a damping medium-filled cylinder, in which a piston rod is guided with freedom of axial movement, where, inside a working space in the cylinder, a stop spring in the...
8091468 Fluid power linear drive device  
A fluid power linear drive device comprises a housing tube on whose outer periphery an output drive slide can slide linearly. For this purpose on the outer periphery of the housing tube there are...
7958980 Protection device for cylinder  
A conventional solid protection device disposed on an exposed side of a cylinder for actuating a working device had a possibility of being permanently deformed by contacting an obstacle so as to...
7845060 Method for the production of a catching connection in a linear drive  
A method of providing a linear drive with an axially play-free entrainment connection between at least one linearly travelling rod (5) and a guide unit able to be moved parallel thereto. Between a...
7836816 Retaining ring for fluid pressure cylinder  
A cylinder tube includes a cylinder hole therein through which a piston is displaceably inserted. A head cover and a rod cover are installed respectively into ends of the cylinder hole. Locking...
7823499 Surface tension seal  
Present invention involves a seal means suitable to replace the classic seals. For instance the seal means of present invention can be a liquid seal ring (7) to replace the classic rubber seal...
7784395 Zero emissions reciprocating pump  
A sealing system for a pump having a plunger includes a housing having an internal chamber adapted to receive a portion of the plunger. Primary and secondary seals are located within the internal...
7779748 Piston pump  
A piston pump, having a pump housing in which a pump piston is guided in an axially moving fashion so that when the pump piston is actuated, a fluid is conveyed from a suction side to a pressure...
7726231 Utility pump  
A lightweight, inexpensive, corrosion proof, utility pump having a flexible member forming a sliding interference fit with a pump rod with the flexible member confined between a pump rod bushing...
7654189 Heavy duty cylinder  
A cylinder for a piston-cylinder assembly comprises an extruded stainless steel cylinder body and stainless steel end caps mounted to opposite ends of the body. A unique configuration of three...
7607383 System for backup rod seal for hydraulic cylinder  
A rod sealing system for use with a hydraulic cylinder is disclosed. The hydraulic cylinder has a cylinder tube and a cylinder head defining a working chamber. A piston is disposed for linear...
7458314 Gas spring  
A gas spring (1) comprises a piston rod (4) projecting from an open end of a cylinder (2) so as to be able to elongate and contract axially, and a dust seal (10) which is in contact with the...
7455010 Expanded barrel hydraulic cylinder assembly  
The hydraulic cylinder assembly of the present invention provides an enlarged barrel and a compressible locking ring that secure a rod gland in the rod end of the cylinder. The tapered barrel...
7448311 Displacement difference-absorbing mechanism for cylinder apparatus  
A coupler is provided inside an engaging hole of a piston yoke, which is connected to pistons. A slider is installed on an upper portion of the coupler through a coupler-insertion hole. An...
7448310 Innerscoping hydraulic system  
A hydraulic cylinder and associated hydraulic system that includes a sleeve cylinder in mechanical contact with a base and stationary between extended and retracted positions, which defines a...
7421782 Method for manufacturing internal combustion engine piston  
A method is provided for efficiently manufacturing a high quality internal combustion engine piston having an annular cavity allowing for good circulation of cooling fluid. An annular groove is...
7412920 End cap assembly  
A fluid activated cylinder assembly including an end cap having an annular protrusion and a hollow cylinder having an end zone. The cylinder applies compressive force to the annular protrusion in...
7353748 Linear actuator and method for processing the same  
A bent section, which is bent substantially perpendicularly toward a main cylinder body, is formed at one end of a slide table. Further, a pair of ball-rolling grooves, in which a plurality of...
7343849 Cylinder apparatus  
A piston, which is provided in a cylinder tube, is connected to a pair of guide rods by the aid of a plate. The guide rods are arranged displaceably in the axial direction along guide holes of the...
7313999 Piston for a reciprocating machine  
A piston includes a piston body fitted into a cylinder bore and having a sliding peripheral surface disposed in sliding contact with the inner peripheral surface of the cylinder bore. The sliding...
7311036 Pneumatic cylinder  
A pneumatic cylinder has a shaft member having a piston and a piston rod combined with each other in an axial direction, a cylinder body supporting the shaft member with the piston rod protruding...
7225725 Bi-directional pneumatic motor  
A pneumatic motor for providing bi-directional linear motion including a motor housing having a cylinder bore and a piston mounted on a piston rod positioned in the cylinder bore. The ends of the...
7219594 Coolant system for piston and liner of reciprocating pumps  
A reciprocating pump assembly includes piston rod that is movable and reciprocates in order to pump a fluid. The piston rod has a piston portion at an end that stokes within a piston chamber. The...
7217105 Integrated pump and wash pump  
A pump apparatus is provided which comprises a first displacement pump and a ceramic valve construction formed of a ceramic rotor, a ceramic stator having flat surfaces which are positioned in...
7214039 Integrated ratio pump and check valve apparatus  
A pump apparatus is provided which comprises a plurality of displacement pumps each connected to a check valve apparatus. The displacement pumps each comprises a reciprocating piston within a...
7210397 Scotch yoke engine  
A scotch yoke type fluid device where the or each piston (32) has its own slider (18) and its own pair of sliding surfaces (30) disposed on the same side of the big end bearing (16) of the crank...
7165487 Cylinder protective apparatus for preventing strange noise  
Disclosed is a cylinder protective apparatus for preventing strange noise in which an impact damper is fixed to an inner side of a cylinder cover to prevent collision between the cylinder cover...
7131822 Swash plate compressors with non-circular pistons and cylinders  
A swash plate compressor comprises a swash plate located for rotation in a housing and a compression unit that forms a part of the housing. The compression unit has cylinder bores that guide...
7127982 Linear drive with non-rotating piston  
A fluid power linear drive including a housing having an inner surface defining a piston receiving space, a piston reciprocally movable within the piston receiving space and a cooperative...
7083164 Cushion and cushion cylinder for ram or bolster of a press  
A high-pressure, inert gas cushion assembly for the ram or bolster of a metal stamping press includes a manifold having fluid-flow passages defined therein, along with a plurality of cylinder...
7080975 Integrated pump and ceramic valve  
A pump apparatus is provided which comprises a displacement pump and a ceramic valve construction formed of a ceramic rotor and a ceramic stator having flat surfaces which are positioned in...
7056100 Piston assembly for a compressor  
A compressor for a vehicle air conditioning system comprises a front casing in which is mounted a swash or wobble plate arrangement operatively connected to a drive shaft and a plurality of...

Matches 1 - 50 out of 414 1 2 3 4 5 6 7 8 9 >