Matches 51 - 100 out of 394 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6263779 Snap ring closure system  
A snap ring closure system is particularly useful in securing a rod guide in an end of a tube of a hydraulic damper. The snap ring closure system utilizes an end cap or rod guide having a...
6253661 Piston rod guide for a piston-cylinder unit  
A sheet-metal piston rod guide for a piston-cylinder unit in which a piston rod is axially movable, includes a slide bush which is centered by a guide sleeve which adjoins a closure ring which...
6203022 Annular sealing element  
An annular sealing element (16) for sealing an annular gap between the inner surface of a cylindrical wall and a cylindrical piston which can be displaced axially relative to said wall and is...
6186747 Axial plunger slurry pump  
An axial plunger slurry pump comprises a pump body, a sloping cam plate, a swashplate, cylinders, plungers and a pump head. Each of the plungers comprises a plunger body with a rubber piston...
6162031 Seal seat for high pressure pumps and vessels  
A seal assembly for a high pressure vessel. The pressure vessel can include a first material and can have a face with a bore extending through the face such that the bore has an edge at an...
6119581 Structure of hand pump  
A hand pump includes a cylindrical casing having a top open side covered with a top cover and a bottom side provided with an air outlet, a handle inserted through a hole the top cover, and a piston...
6113367 Oil-less/oil-free air brake compressor with a dual piston arrangement  
A cylinder is divided into two chambers by a wall to receive a pair of pistons. This reduces the stroke length and correspondingly reduces the linear speed of the piston. This leads to a reduced PV...
6105739 Guide bushing  
The invention relates to a guide bushing between two components axially movable relative to each other, especially for guiding a piston rod subjected to longitudinal and transverse forces in the...
6089141 Plunger pump for water jet loom  
The straightness of the piston of a water jet loom plunger pump for discharging water under a high pressure is maintained to allow its smooth movement with respect to the cylinder. For this, a...
6085635 Safety device for pneumatic actuators  
The invention relates to a safety device for pneumatic actuators, for preventing the actuator pinion from being violently ejected, comprising a circular seat, formed on the less diameter portion of...
6076645 Ring piston seal for a hydraulically controlled disconnect system  
A hydraulically controlled disconnect system for a friction clutch of motor vehicles is provided and is constructed as a slave cylinder which includes a pressure housing (2) which is arranged...
6073538 Reciprocating compressor  
A reciprocating compressor in which the piston is axially movable within a cylindrical cavity formed on an aluminium cylinder; the piston being provided with a sealing element made from composite...
6052993 Actuator of the thermal type and method for closing and sealing the body of an actuator of the thermal type  
An actuator of the thermal type has a body, wherein a chamber is defined for containing a material which expands as a function of the temperature of said body; a shaft, having one end directly...
6016738 Piston compressor of the horizontal type  
6015273 Electromagnetic reciprocating compressor with spring assembly mounted around piston  
An electromagnetic reciprocating compressor has a body (1, 2), a piston (10) reciprocating in the body, and an electromagnetic drive (22, 23, 24) for the piston. The piston has a piston head (11)...
6014924 Slide drive arrangement  
A slide drive device has a principal housing, in which at least one actuating element able to be driven linearly is arranged. Externally on the principal housing there is a slide kinetically...
5934173 Reciprocating plunger pump  
An improved reciprocating plunger pump boasting a self-aligning plunger assembly, a selectively removable plunger guide cartridge, and an improved seal cartridge assembly.
5921167 Hermetic shear seal for piston displacement fuel tank  
In space exploration, an attitude control engine or a thruster may have an extended period, such as years, of inactivity prior to being required to complete a desired mission. The fuel for this...
5921166 Cylinder apparatus  
A cylinder apparatus including a piston slidably fitted in a cylinder having a hydraulic fluid sealed therein. A piston rod is connected at one end thereof to the piston. The other end portion of...
5916350 Piston rod bearing assembly of reciprocating piston engine  
A bearing assembly for a piston rod of a linearly reciprocating piston type engine having a cylinder (11), a piston (12) movable axially in cylinder (11), at least one piston rod (13) secured to...
5865089 Linear thruster  
A linear thruster is disclosed in which a load beam is linearly moved relative to a guide beam by fluid power. One or both of the beams are multisided in cross-section to substantially increase the...
5848880 Axial valve arrangement for a high pressure plunger pump  
A high-pressure plunger pump assembly, in particular for working pressures above 2000 bar, includes a housing, a cylinder received in the housing and defining a working space which has an expanded...
5839888 Well service pump systems having offset wrist pins  
A pump system has first and second pumps. Each pump has a housing, which housing has an inboard end and an outboard end. The pumps are arranged so that the inboard ends are adjacent to each other....
5806406 Hydraulic piston cylinder  
A hydraulic cylinder, comprising a cylindric tube (10) with two end covers (11, 12). One of the end covers (11) is provided with an opening for a piston rod (13) connected to a piston (14) which is...
5806747 High velocity, combustion-powered, fastener-driving tool  
In a combustion-powered, fastener-driving tool with a combustion chamber, a piston chamber communicating with the combustion chamber, a driving piston movable within the piston chamber between an...
5806314 Pressurized cylinder and booster in a low volume pressure circuit  
A pressure-driven cylinder having a piston sliding within a sealed housing chamber between a pair of opposed side-end walls in a piston chamber. At least one chamber wall has a moveable portion of...
5791233 Lifting column with telescoping guides  
The invention relates to a novel design of a lifting column, especially for patient tables or for industrial applications, with at least one lifting cylinder designed as a hydraulic cylinder at...
5787791 Turbocharger actuator with rolling O-ring  
An actuator for a turbocharger includes a housing having a chamber therein, a piston assembly having a rod and a piston secured to a rod for axial movement therewith, a spring operatively...
5782162 Cylinder piston rod guide  
A guide (30) for surrounding and sealing a rod (26) in the end of a hydraulic cylinder (12) including a piston (24) slidably disposed in the cylinder (12) and attached to the end of the rod (26)...
5778759 Self-aligning piston rod  
A piston pump having structure to maintain substantially parallel alignment of a piston rod and a crosshead extension as a crosshead slide undergoes wear. The structure includes a slot defined by...
5771775 Device for guiding a piston  
A compressor has a front housing, cylinder block and a rear housing. The housings and cylinder block are secured to one another by a plurality of bolts. A plurality of pistons reciprocally move in...
5765666 Suspension struts  
A suspension strut comprises inner and outer tubes and incorporates an end closure constituted by a moulded plastic insert containing a sleeve bearing in the form of a metal bush, the insert being...
5761985 Fluid power cylinder  
A fluid power cylinder comprises a terminally arranged piston rod guide device through which a guide station of the piston rod with a prismatic cross section runs. Two diametrally opposite prism...
5738000 Axial piston machine with guides for the pistons contained therein  
An axial piston machine includes a housing and a rotary shaft is mounted in the housing. A plurality of radially spaced cylindrical bores are arranged concentrically around the shaft and a...
5720215 Automotive air conditioning compressor piston with eccentric anti rotation pad  
A piston (40) for use in a compressor housing (10) having a cylindrical inner surface (12) with an anti rotation wing (42) of improved design. The outer surface of the piston anti rotation wing...
5704461 Rotational control apparatus  
Rotational control apparatus (A) in the preferred forms of fan clutches is disclosed including shoulder bolts (78) extending through axially extending voids (146) formed in axially extending...
5701798 Linear actuating device  
The linear actuating device of the present invention has a rodless power cylinder unit with a cylinder barrel. An external carriage is disposed on the cylinder barrel and is movable along the axis...
5676038 Actuator with slide table  
Piston rods are coupled to respective pistons movably disposed respective cylinder chambers defined in a cylinder body. The piston rods have distal ends connected to an end plate mounted on a slide...
5651302 Actuator pump  
An actuator pump has one or more colinear piston cylinders (2, 3, 25) in a cylinder housing (1) in which change of volume is provided by reciprocative relationship of colinear pistons (4, 5, 23,...
5632191 Piston roller alignment configuration for a radial piston mechanism  
The invention relates to a hydraulic mechanism comprising: a cam; a cylinder block; cylinders formed in the cylinder block; pistons slidably mounted in the cylinders; thrust rollers for the pistons...
5623967 Pilot switch valve  
Piston boxes are attached to both ends of a valve body of a main valve segment having multiple ports and an axial valve port. Projections extending toward the valve port are provided in piston...
5615598 Jack with fixed piston for handling, moving and manipulating a workpiece  
A jack consists of a body of the jack (2) sliding on a fixed piston (9) mounted on a support (6) by means of a piston rod (4), and at least one element for guiding the body on the support. The body...
5615599 Guiding mechanism for reciprocating piston of piston-type compressor  
A piston-type compressor has a compressor housing enclosing a crank chamber, suction chamber, and a discharge chamber. The compressor housing also includes a cylinder block having at least two...
5579876 Stopper for a hydraulic dashpot  
A stopper for a hydraulic dashpot for a motor vehicle. The dashpot essentially comprises a piston and cylinder. The cylinder is occupied by fluid and is divided into two chambers by a piston. The...
5572921 Lift for the handicapped  
Disclosed is an improved hydraulic lift system comprising a cylinder housing preferably in the shape of a regular polygon which applies compressive force to a cylinder within the cylinder housing....
5570769 Linear and rotary actuator combination  
A rotary actuator and a linear actuator are combined to provide an output shaft with independent linear and rotary motion. The linear actuator causes the rotary actuator to move linearly, and there...
5570622 Power booster with guided power piston  
A guide rod extends longitudinally through the power piston of a vacuum power booster providing lateral support thereto and tying the master cylinder housing to a bracket on the rear of the power...
5555789 Linear motion device  
A linear motion device having an elongated body a carriage moveable in a linear path relative to the body and a bearing positioned between the carriage and body for supporting the carriage for...
5544565 Brake band servo for automatic transmission  
A servo for operating a brake band in an automatic transmission includes a transmission casing defining a cylinder, a servo piston supported for displacement within the cylinder, a piston stem...
5537912 Bearing adjusting mechanism for rodless cylinder  
A rodless cylinder has adjusting mechanisms, each comprising a gear shaft rotatably mounted in a hole defined in an outer wall of a slide table and having a first gear on an end thereof, an...
Matches 51 - 100 out of 394 < 1 2 3 4 5 6 7 8 >