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Match Document Document Title
8523542 Pumping device for pumping fluid  
The present invention describes a pumping device (1) for pumping fluids. The pumping device (1) comprises a force transmitting element (2), a tension unit (3) coupled to the force transmitting...
8051764 Fluid control system having selective recruitable actuators  
A fluid control or actuation system providing selective recruiting of actuators antagonistic to one another to provide variable output power, such as that used to drive a load. The actuators are...
7823385 Turbocharger with wastegate  
This invention relates to an actuator assembly for a turbocharger pressure control valve assembly and a method of assembling a pressure control assembly of a turbocharger. The assembly comprises...
7191696 Rotary actuator assembly  
A rotary actuator assembly is provided. The assembly has a flexible member that is attached to a piston for linear movement. The flexible member is also attached to a pinion for pivotable movement.
7165401 Turbocharger with wastegate  
This invention relates to an actuator assembly for a turbocharger pressure control valve assembly and a method of assembling a pressure control assembly of a turbocharger. The assembly comprises...
6988440 Rotary actuator assembly  
A rotary actuator assembly is provided. The assembly has a flexible member that is attached to a piston for linear movement. The flexible member is also attached to a pinion for pivotable movement.
6925927 Manually operated pump or compressor  
Apparatus comprising a pump or compressor operated by a pull-cord wound around a pulley (9), in which the pulley drives a shaft (11) which drives the pump or compressor, and the pulley is recoiled...
6860189 Rotary actuator with cartridge and chain or cable  
An actuator which comprises a pair of elongated elastomer tubes (6,16), sealed by respective members (18, 20, 22, 24) at each end, the members at the one end (18, 20) being fixed and the members...
6684754 Pneumatic muscle analogs for exoskeletal robotic limbs and associated control mechanisms  
Artificial muscle analog 1000 is located within hollow exoskeletal bone 10. Muscle 1000 comprises inflatable bladder 120, cable 130, roller 140, anchor point 150, and connection means 160 whereby...
6659231 Self-balancing synchronization assembly for a hydraulic elevator  
A self-balancing synchronization assembly has a support beam pivotally mounted on a guide rail adjacent a hydraulic elevator jack. A synchronization bracket is pivotally mounted at one end of the...
6655258 Rodless cylinder using a round stick type chain  
A rodless cylinder using a round stick type chain can be applied to a carrier for transportation of materials. The rodless cylinder uses a round stick type chain having the round stick type chain...
6505543 Pneumatic linear actuator  
A pneumatic linear actuator has a body (10), a chamber (14) in the body that is closed by the end heads (15), a piston (11) that is arranged in the chamber and moved by a fluid sent alternately to...
6474219 Flexible piston rod  
A flexible piston rod for an injection device, which piston has the form of a helical spring made from a number of narrowly adjacent turns of windings. These turns provide an external thread...
6467394 Oilless high pressure pump  
An oilless high pressure pump suitable for use in devices such as pressure washers and the like is described. The pump includes an eccentric assembly suitable for converting rotary motion of a...
6409215 Operating device for anti-skid devices for vehicles  
An anti-skid mechanism operating device includes an operating unit and an operating arm pivotally supported thereby and intended to carry a rotary anti-skid and to operate the latter between an...
6397844 Respiration apparatus  
A portable apparatus for ventilation support to persons with respiratory distress is provided with a compressed air pump. The pump may be connected to the mouth or the nose via a tube for...
6397728 Linear stopping and positioning apparatus  
A linear positioning apparatus has a positioning actuator assembly including a cylinder and movable piston to be used for moving a workpiece or a moveable worktable along a rectilinear path or...
6336389 High-pressure pneumatic and liquid injection apparatus  
A pressurized working environment for a pneumatic device which permits emission-free utilization of the potential mechanical energy of pressure differentials within compressed gas systems is...
6289788 Semi-rotary hydraulic actuator  
An actuator for rotating a shaft includes a housing having a first port, a second port and a drive track. A first drive means is coupled to the first port and a second drive means is coupled to...
6272972 Rodless cylinder actuator  
A rodless cylinder actuator for moving a slide table in machine tools is disclosed. In the actuator, two pneumatic or hydraulic cylinders are parallely arranged to be directed in opposite...
6148713 Elastomeric surface actuation system  
A system for deforming or actuating an elastomeric structure is described. he system includes a plurality of tubes joined to the elastomeric structure. The tubes extend in the direction of a...
6148716 Low noise high efficiency positive displacement pump  
A positive displacement pump is provided having a housing, a plurality of pistons and an eccentric drive element rotatably mounted about an axis on the housing. A rigid compression member...
6070513 Load transfer device for tandem mounted actuators  
A load transfer device for use with tandem mounted actuators. The load transfer device includes an actuator coupling assembly and a ground connection assembly. The actuator coupling assembly...
6062534 Double acting rotary valve actuator  
A rotary valve actuator with movable actuator linkage maintained in a constant "pull-pull" tension, includes a sliding canister, rotatable lever, and a return spring substantially aligned in-line...
6007310 Volumetric pump with sterility seal  
A volumetric pump for administering intravenous fluids to a patient includes a first housing having an elongate cavity therein with an open and a closed end. A resilient sheet of material having a...
6007247 Slot bearing  
A slot bearing assembly for a member moveable relative to a slot such as a carrier for a slotted rodless cylinder in which the slot bearing is allowed to float relative to the moveable carrier.
6000675 Tension-spring return rotary valve actuator  
A rotary valve actuator with movable actuator linkage maintained in a constant "pull-pull" tension, includes a sliding canister, rotatable lever, and a return spring substantially aligned in-line...
5992222 High pressure pump system and method of operation thereof  
A pump system for producing high and exactly controllable pressure levels includes a piston pump which has a piston (32) connecting to a spindle shaft (22), a spindle nut (44) on said spindle...
5992295 Slide unit  
The slide unit includes a rodless power cylinder having a cylinder tube. End caps are attached to both ends of the cylinder tube. A slit extending in parallel with the axis of the cylinder tube is...
5868554 Flexible plunger apparatus for free movement in gas-producing wells  
A flexible plunger apparatus includes an elongated flexible member having a pair of opposite end portions and a longitudinal length extending between the opposite end portions, with the flexible...
5687632 Hydraulic rodless cylinder type actuator  
In a hydraulic rodless cylinder type actuator, a piston is movable back and forth in a hydraulic cylinder. Housing elements are respectively mounted on the opposite ends of the cylinder. Parallel...
5619899 Rodless cylinder  
A rodless cylinder has a linear guide which primarily bears loads F1, F2, F3 applied to a slide table and a table guide which secondarily bears those loads F1, F2, F3. The table guide has a...
5560275 Drive of the fluid or electric type with a control  
The present invention relates to a drive of the fluid or electric type having a device for controlling an element for transmitting a driving force to a reciprocating or otherwise moveable or...
5553872 Seal for a reciprocally moving body  
A seal for a reciprocally moving body that has at least one essentially flat boundary surface extending parallel to its longitudinal axis includes a sealing member that has a first sealing lip...
5483868 Braking apparatus for a rodless piston actuated reciprocating carriage  
A rodless piston assembly has a carriage or trolley which is reciprocated on support structure through a band or cable connection between both ends of the rodless piston and the carriage Braking...
5473971 Rodless cylinder  
Disclosed is a rodless cylinder having a cylinder barrel with a slit formed axially therein. A piston is movably housed in the cylinder barrel. A mounting table is disposed movably along the...
5467685 Rodless pneumatic cylinder having a pair of driven elements  
A linear actuator, adapted especially for picking up and transporting workpieces, comprises a pneumatic, rodless cylinder having a pair of driven elements mounted on opposite sides of its body....
5443134 Hydraulic actuating device for brakes and gearshifts of bicycles or the like  
A hydraulic actuating device for brakes and gearshifts on bicycles or the like comprises an actuating lever (1b), a transmitting cylinder (1a), a flexible pressure line (9) and a receiving...
5415379 Pneumatic winch  
A winch includes a cylinder containing a movable piston to which are respectively mounted a fixed and a movable pulley assembly around which a line to be pulled is entrained. The pulley assemblies...
5400696 Fluid-operated drive  
The invention relates to a drive, particularly a push and pull drive, which has a cylinder with a cylinder inner chamber (Z) and a cylinder axis (F) and a piston movably arranged in the cylinder...
5394761 Linkage actuator for effecting all rectilinear or rotative movements  
The present invention relates to a linkage actuator for effecting all rectilinear or rotative movements, acting on the elements (1 and 2) constituting the linkage, characterized in that it acts...
5347914 Traverse apparatus  
The traverse apparatus of the subject invention is provided at the end of the main base 24 with a control box 38 having electromagnetic valves 57, 58, relief valves 59, 60, and manifold 61; and,...
5303638 Rodless piston and cylinder assembly for a reciprocating carriage  
A rodless piston and cylinder assembly having an improved cable connection between the ends of the piston and the working unit in the form of a band of plastic and coated stainless steel strip....
5293811 Missile control fin actuator system  
A control fin actuator (28) for a guided missile (20) includes a pressure actuator (40) having a slidable piston (44) inside a housing (42). Rolling diaphragm seals (50, 56) of the top piston face...
5261320 Pneumatic rotary drive  
A pneumatic rotary drive includes a housing and at least one cover sealingly closing the housing. A rotatable shaft extends out of the housing through the at least one cover. At least one guide...
5246237 Seal for a work cylinder operated by pressurized fluid  
A seal for a work cylinder operated with pressure fluid, through which cylinder an axially displaceable coupling element connected with the work cylinder, particularly a pull means, is extended in...
5245912 Profiled tube for a working cylinder without a piston rod  
The invention relates to a profiled tube for working cylinders without a piston rod having a cylinder chamber which extends in longitudinal direction and a piston guided movably therein and...
5233884 Flexible connector for linear motion systems  
A connection between a drive member and a driven member comprises a first nickel titanium alloy wire interconnecting the drive member and a rigid link and a second nickel titanium alloy wire...
5222428 Piston cylinder unit for pressure fluids  
A piston-cylinder unit for pressure fluids includes a housing bounded by a head piece at each end thereof; a cylinder disposed within the housing; a piston reciprocatingly movable within the...
5222424 Two dimensional drive system  
An object of the present invention is to provide a two dimensional drive system driven by fluid pressure. The drive system of the present invention comprises: a pair of X-guides; a pair of...

Matches 1 - 50 out of 449 1 2 3 4 5 6 7 8 9 >