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Class 251/272 - Biased


Subclass of Class 251 - Valves and valve actuation
Definition: Devices in which the valve is biased in one direction of
No. of patents: 8
Last issue date: 02/07/2006


NumberTitleIssue Date
6994310Stepper motor driven valve for thermal management and associated method of use
A valve for regulating fluid flow and associated method of use. The valve includes a stepper motor, a first valve portion having an inlet port for receiving fluid into the valve, a second valve portion having an outlet port for dispensing fluid from the valve, a thi...
02/07/2006
5820035Broadcast spreader mechanism
An improved feed distribution and closure mechanism for use with broadcast spreaders for spreading granular or powdery material or both is described. The mechanism comprises a threaded shaft, a disk mounted on the shaft having a central opening provided w...
10/13/1998
5232199Sliding gate line blind
A sliding gate line blind for preventing fluids from traveling downstream from the blind including a body for connection to a pipeline, the body being open to the atmosphere and having an inner portion and an outer portion, the body having an entrance pas...
08/03/1993
5060909Shut-off valve for fluids
The invention relates to a shut-off valve comprising a valve housing (12), a valve piston with valve cone (22) arranged up-stream of an associated valve seat (20), and a piston holder (16) axially movable within the valve housing (14) by means of a spindl...
10/29/1991
4895301Engine coolant system and method of making the same
A vehicle engine coolant system and method of making the same are provided, the system having a valve construction comprising a housing provided with an inlet interconnected to the block of the internal combustion engine of the vehicle and an outlet inter...
01/23/1990
4402340Pressure-responsive shut-off valve
A combined manual and pressure-responsive shut-off valve, intended particularly for use with high pressure gas cylinders, is disclosed. The valve includes a single seat and a single plug, the plug having a first sealing surface for closing against a low r...
09/06/1983
4354666High pressure packless metal diaphragm valve
A valve body has a chamber with a lower portion provided with inlet and outlet openings and an upper portion that includes a diaphragm seat having a surface with a presclected degree of roughness. An assembly of individual flexible metallic diaphragms is ...
10/19/1982
3934814Fluid-flow control valve
In a fluid-flow control valve provided with jacking means (which may comprise a nut rotatable on a threaded shaft) operable to move a valve closure member into and out of seating engagement with a valve seat and to exert between the valve closure member a...
01/27/1976
 
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