Class 137/53 - Centrifugal mass type (exclusive of liquid)

Subclass of Class 137 - Fluid handling
Definition: Control systems wherein the speed responsive means comprises
No. of patents: 23
Last issue date: 04/15/2008

Number	Title	Issue Date
7357792	Positive push medical valve with internal seal A medical valve having an open mode to permit fluid flow and a closed mode to prevent fluid flow has a body and a valving element within the interior of the body. The body also has a valving element within its interior, and a proximal port and a distal port. The val...	04/15/2008
7247486	Method and apparatus for controlling reactions The invention relates to a method and an apparatus for performing an assay on chemical, biochemical, or biological fluids. The apparatus includes an assay chamber for fluid reactions and a centrifugal force activated-valve for controlling fluid movement through the ...	07/24/2007
7150299	Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ...	12/19/2006
7100890	Swabbable luer-activated valve A normally closed valve that may be opened upon insertion of a nozzle permits two-way flow when opened by a luer-taper nozzle. The valve also is able to resist large back pressures. The valve includes a substantially rigid housing that defines a passageway having an...	09/05/2006
7096884	Check valve A check valve comprising a poppet urged by a conical spring to annularly seal uniformly around its entire periphery to assure more uniform cracking pressure about its entire periphery. The cracking pressure may be adjusted by means of an adjustable plate which reduc...	08/29/2006
7051750	Governor spring bracket assembly A governor spring bracket assembly that attaches to an exterior surface of a shaft-mounted governor valve assembly for an automatic transmission is disclosed. The present governor spring bracket assembly functions to counterbalance the effect of centrifugal force on...	05/30/2006
7048136	Canister lid with improved evacuation and vent assembly A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. An evacuation valve is adapted to allow evacuation of the interior of the container. A vacuum release valve is adapted to allow venting of the interior ...	05/23/2006
7014169	Anti-drawback medical valve A medical valve has a translating member that enlarges the volume of the interior of the valve when the valve is in an open mode (permitting fluid flow), and decreases the volume of the interior when the valve is in a closed mode (preventing fluid flow). This varyin...	03/21/2006
7013916	Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur...	03/21/2006
6899514	Overspeed safety device An overspeed safety device for a pneumatic rotation motor having a stator (10) with an air inlet passage (16), a rotor (12), and a speed governor for determining a maximum speed level, and comprising a speed responsive actuator (34) conne...	05/31/2005
6179552	Speed control unit for a pneumatic rotation motor A speed control unit for a pneumatic rotation motor having a stator (10) with an air inlet passage (14), a rotor (11) journalled in the stator (10). The speed control unit includes a speed governor (26) operated by two or more fly-weight members (28), and...	01/30/2001
5291086	Electrical actuator for valve or other device An electrical actuator for actuating a valve or other device includes an electrical motor rotating a rotary member and centrifugal body. The centrifugal body is mounted to the rotary member and is biased to normally assume an inner position with respect t...	03/01/1994
4772186	Automatic fluid torque responsive shut-off mechanism for an air tool An improved torque control mechanism for a rotary vane, air motor tool includes acceleration and speed responsive slidable elements positioned in grooves that lie in a plane transverse to the spin axis of the motor and which form an angle with the radii e...	09/20/1988
4586884	Pneumatic power tool with speed governor In a pneumatically powered portable tool there is provided a speed governor and an overspeed safety device the purpose of which are to ensure a predetermined maximum speed by controlling the air inlet flow to the motor. A cup-shaped shell insert (28) is d...	05/06/1986
4443164	Secondary speed sensor for governed air grinders The present invention comprises a combined speed sensor and control valve for a rotary fluid motor such as a rotary vane air motor. Weights are pivotally attached to the opposite sides of the rotating output shaft of the air motor and are spring biased in...	04/17/1984
4425931	Speed bias fluid pressure regulator and systems utilizing same Disclosed is a speed controlled fluid pressure regulator that is adapted to provide a fluid pressure control signal for use in a variety of control functions in response to changes in rotational speed of an object such as a rotating component of an intern...	01/17/1984
4417884	Centrifuge timer clamp A timing and control mechanism for a centrifuge comprising a piston to which is attached a cam having cam surfaces which interact with flexible tubing to control the rate of flow through the tubing. The velocity of the piston in the centrifugal force fiel...	11/29/1983
4389991	Rotation sensitive pressure regulator This disclosure relates generally to fuel delivery systems for combustion ignition engines and more particularly to devices for limiting exhaust smoke and/or the rise in engine torque. When a compression ignition engine is operating at full speed and a lo...	06/28/1983
4368004	Apparatus for preventing a turbine from exceeding a predetermined value of a monitored physical magnitude An apparatus for preventing a turbine from exceeding a predetermined value of a monitored physical magnitude, the apparatus including an over-center toggle lever (3) pivotally mounted on a pivot point (6) on a stationary frame (7), the lever being capable...	01/11/1983
4133060	Odorless toilet Disclosed herein is a means for evacuating the odors associated with toilet use away from the environment of the bathroom and into the sewer. Vent means are provided around the periphery directly below the toilet seat, and impelling means are provided to ...	01/09/1979
4057113	Pneumatically powered hand tool with speed-control governor A pneumatic hand tool comprises a housing having a compressed-gas inlet and provided with a pneumatically powered motor which carries on one side a tool holder such as a chuck and on the other side a governor. A speed-control valve is operated by the gove...	11/08/1977
3942422	Roof ventilator A roof ventilator comprising a pipe provided with an opening therein, a shutter means adapted to be raised above or lowered over said opening, a supporting arm associated with a rotating shaft which is rotatably disposed within said pipe, a fan means hous...	03/09/1976
3939856	Rotational speed responsive type fluid pressure signal control valve A rotational speed responsive type fluid pressure signal control valve comprises a plurality of fly weights rotated by a drive shaft, a sleeve operated by the fly weights, fluid passages provided in the valve and valve bodies actuated by the sleeve so as ...	02/24/1976

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Class 137/53 - Centrifugal mass type (exclusive of liquid)