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Class 92/94 - With separate biasing means


Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus including a separate means other than the working
No. of patents: 64
Last issue date: 04/29/2008


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NumberTitleIssue Date
7363851Spacers for use with actuator casings
Spacers for use with actuator casings are disclosed. An example spacer includes a ring-shaped member defining a central opening and configured to form a part of an actuator casing and to space first and second actuator casing portions a predetermined distance when t...
04/29/2008
7325781Automatic bathroom flushers with modular design
A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou...
02/05/2008
7268466Piezo electric pump and device with such pump
A measuring device for measuring in an ear canal includes a probe for insertion into an ear canal having an opening for letting air in to and out of the ear canal, and a pump for providing a pressure above a surrounding atmospheric pressure or below the surrounding ...
09/11/2007
D547220Human weighing scale with wall mounted display radio receiver and speakers
07/24/2007
7212756Image forming apparatus with extraordinary state detection
To provide a printing apparatus capable of preventing a extraordinary rising of temperature from happening even if a cooling ability is lowered with respect to objects to be cooled. In the printing apparatus, a host device 1 is connected with a system ...
05/01/2007
7189009Micro-optical module with housing and method for producing the same
A micro-optical module includes a housing, at least one optoelectronic component, and an optoelectronic unit assigned thereto. The housing is partly embodied as an MID body, having a cavity and having a three-dimensional conductor structure in the cavity. The MID bo...
03/13/2007
7188822Enclosures for automatic bathroom flushers
A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou...
03/13/2007
7156363Bathroom flushers with novel sensors and controllers
A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl...
01/02/2007
7070400Diaphragm pump with eliminated pump chamber dead space, and circular recesses on the reverse side of the diaphragm for improved diaphragm chamber wall adherence
The diaphragm suction pump has a pump chamber (7) located in a base plate (6), the wall of said chamber extending in a conical manner from a central flat base section (7′) to the lateral edge (8). The elastic pump diaphragm (5), ...
07/04/2006
7069941Electronic faucets for long-term operation
An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op...
07/04/2006
7052251Shape memory alloy wire driven positive displacement micropump with pulsatile output
Apparatuses and methods for pumping fluid are disclosed. An exemplary apparatus is a miniature pump that includes a shape memory wire that obtains a plastic condition below a transformation temperature and has a memorized shape such that the shape memory wire produc...
05/30/2006
6994122Heald frame for weaving machine
A heald frame for a weaving machine includes stops (15, 16) made of a material with shock-absorbing properties associated with the ends of the healds (10). A gap is provided between the heald ends and the stops, such gap ensuring that the healds can be...
02/07/2006
6957806Airspring assembly
An improved airspring assembly includes a collapsible support member disposed within the pressurizable chamber of an airspring having a flexible sidewall. The support member is configured such that it extends and collapses along a longitudinal axis of the chamber re...
10/25/2005
6923643Premix burner for warm air furnace
A burner assembly for use in a warm air furnace. The burner assembly has a cooling air box for receiving air and a premix burner for receiving air-fuel premix positioned within and spaced apart from the cooling air box. The burner assembly also has a burner face ass...
08/02/2005
6658846Turbocharger with wastegate
An actuator rod (17) for a turbocharger pressure control assembly comprises a first elongate portion (17a) defining a first rod end and a second portion (17b) defining a second rod end. The first and second portions are pivotally joined to one another to ...
12/09/2003
6220145Band controlled valve/actuator
A band controlled valve apparatus for controlling fluid flow from a source to a sink, including a base (12) having an upper surface and an aperture (16) extending from the upper surface through the base (12) allowing the flow of fluid from the source thro...
04/24/2001
5375982Radial pump
Radial pump with a rotary shaft (4) on which an eccentric (6) is fitted. A sleeve (8) to which a plurality of pistons (12) is connected is fitted rotatably on the eccentric (6). The connection between the sleeve (8) and the pistons (12) is achieved by a p...
12/27/1994
5279325Pneumatic control drive
A pneumatic control drive 1, 51, 71 for control devices, in particular control valves, comprises a drive housing 5 and a drive member 11 displaceable therein and to which is affixed a drive element 18 displaceable together with said drive member 11 to act...
01/18/1994
5031510Evacuation spring for hydraulic/pneumatic muscle
A hydraulically or pneumatically actuated muscle has an elongated elastomeric bladder that is covered by a tubular sheath. A fluid conduit is coupled to the bladder to supply hydraulic or pneumatic pressure. A coil tension spring is attached to a distal t...
07/16/1991
5019121Helical fluid-actuated torsional motor
A hydraulically or pneumatically actuated fluid-dynamic motor has an elongated elastomeric bladder, a braid disposed over the bladder, and a flexible but substantially incompressible spine disposed between the braid and the bladder. The muscle or motor is...
05/28/1991
4896753Bicycle brake
A bicycle brake system with at least one master cylinder that is connected to a hand lever, and at least one wheel cylinder that is connected thereto by a hydraulic brake line is to be improved in that a hollow body (38) that is of elastic material and cl...
01/30/1990
4860640Air operated diaphragm spring brake
An air-operated spring brake of the type wherein a spring-operated brake actuator is in tandem with an air-operated service brake actuator has a spring diaphragm which separates a spring housing into a fluid pressure chamber and a spring chamber. A spring...
08/29/1989
4799576Protective device to prevent projection of a heavy coiled spring away from an air brake housing
A protective device for use on a wheeled vehicle such as a tractor pulled trailer equipped with an air brake is provided. The air brake includes a housing generally disposed lengthwise of the trailer and comprises a transversely disposed diaphragm in a me...
01/24/1989
4711158Linear motion actuator with spring centering means
A vacuum operated actuator is provided with a centering mechanism that operates with a single spring to normally locate the output in a mid-position and also return same from both an extended position and a retracted position. The centering mechanism also...
12/08/1987
4638724Device for producing mechanical force by pressure of a fluid
In a device for the production of pressure by means of a piston (2), the piston (2) which has a rectangular cross-section is arranged in a cylinder (1) whose cylinder bore has also a rectangular cross-section. A cylindrical sleeve (3) is arranged inside t...
01/27/1987
4615258Drive device operated by a pressure fluid
In a drive device operated by pressure fluid a progressive linear or swinging or rotary movement of a driven element is produced by means of at least one lifting element. Between the lifting element and the driven element there is arranged at least one we...
10/07/1986
4612847Vacuum control device for the displacement of an element between at least three positions
A vacuum control device comprises a casing in which are disposed at least two substantially parallel movable cups, the first cup being connected to the element to be displaced. Springs are interposed respectively between the two cups and between the secon...
09/23/1986
4608957Aggregate for supplying fuel, particularly from a supply container to an internal combustion engine of a motor vehicle
In an aggregate for supplying fuel from a fuel container to an internal combustion engine of a motor vehicle, a housing of a pressure wave-damping device, connected to an outlet of the pump of the aggregate, has an enclosed interior subdivided into two se...
09/02/1986
4596219Aggregate for supplying fuel, particularly from a supply container to an internal combustion engine of a motor vehicle
In an aggregate for supplying fuel from a fuel container to an internal combustion engine of a motor vehicle, a housing of a pressure wave-damping device, connected to an outlet of the pump of the aggregate, has an enclosed interior subdivided into two se...
06/24/1986
4583447Pneumatic diaphragm actuator with a pneumatic position controller
Pneumatic diaphragm actuator having a driving rod for acting upon a push rod of a position controller through a return spring, wherein an inversion device when inserted between the diaphragm actuator and the position controller, inverts the force exerted ...
04/22/1986
4558584Combination cable crimper and cutter
A combination cable crimper and cutter. A frame mounts a piston for reciprocating axial movement. A reciprocating drive is connected to the piston. A pair of cable-crimping jaws is pivotally mounted on the frame and connected by links to the piston. A cut...
12/17/1985
4549470Pneumatic actuator
A pneumatic actuator is provided for a gate valve in a turbocharger system to control the bypass of exhaust gasses to regulate the speed of the turbocharger. The actuator includes a reciprocating rod connected at one end to a diaphragm and adapted to be c...
10/29/1985
4542680Vacuum booster device
The diaphragm of a vacuum booster device is normally placed in intimate contact with the disc portion of the booster piston due to the pressure difference between the first and second working chambers. The diaphragm has through-holes which the tie rods pe...
09/24/1985
4541324Vacuum actuator with fail-safe system
A vacuum responsive switch for detecting a failure in creation of a control vacuum within the control diaphragm chamber. A solenoid valve is provided which functions to equalize pressure within one of a power diaphragm chamber and a leak chamber with the ...
09/17/1985
4527769Apparatus for moving a controlled member to a predetermined position
A fail-safe actuator of the type which permits cycling of a control member during normal operation without encumbrance from a return mechanism includes a link having a slot. A pin secured to a crankshaft coupled to the controlled member is slidably dispos...
07/09/1985
4522111Double-acting, fluid actuated positioning actuator
An infinitely variable, double-acting positioning linear actuator which responds proportionally to fluid pressure includes a hollow cylindrical housing and an actuating rod axially movable through the housing. Two partitions cooperate with the actuating r...
06/11/1985
4511117Activating apparatus in a liquid conveying system operated by vacuum, preferably a so-called vacuum sewage system
An activating apparatus or device, for example for a valve in a liquid conveying system operated by means of a vacuum. The activating apparatus comprises a normally latched or locked operating device which by means of a spring, or the like, is connected t...
04/16/1985
4506578Pneumatic apparatus for actuating metal shear
An apparatus for applying pneumatic force to a work piece comprising a pneumatic cylinder mechanism including a flexible diaphragm member for applying pneumatic force to a reciprocally mounted piston rod member for transferring force to a working tool ele...
03/26/1985
4505188Pneumatic actuator
A pneumatic positioner with a casing composed of a shell-like bottom part and a shell-like cover part. A membrane plate, is connected through a gas-tight membrane with the side walls of the casing so as to be movable back and forth in the casing in the di...
03/19/1985
4488341Method of making a fluid pressure actuator
A fluid pressure actuator construction and method of making the same are provided, the method comprising the steps of forming a housing with an annular surface, securing an outer peripheral portion of a flexible diaphragm to the annular surface to define ...
12/18/1984
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