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Class 251/70 - With electrical resetting means


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein an additional electrical means is
No. of patents: 8
Last issue date: 05/06/2008


NumberTitleIssue Date
7367540Fast closing clamp
The invention relates to a fast closing clamp for the pinching off of hoses, wherein the fast closing clamp has a clamp jaw with a clamping position, in which it can pinch off a hose, and an open position. The fast closing clamp in accordance with the invention furt...
05/06/2008
7117884Valve locking device
A valve locking device comprising an intermediate member (18) mountable between a valve body and valve actuator and securable to said valve body and/or actuator; a stem attachment member (20) attachable to and rotatable with a valve stem (14) an...
10/10/2006
6948697Apparatus and method for controlling fluid flow
An actuator base, bobbin, and pole piece form a pocket for an armature that a flexible membrane encloses to form an armature chamber filled with an incompressible fluid. The membrane protects the armature from exposure to corrosive fluids flowing in a conduit. Condu...
09/27/2005
6568652Throttle valve restoring device
In a device for restoring a throttle valve, which is for controlling combustion air of an internal combustion engine, into a definite limp-home air position, having a throttle valve shaft, which supports a drivable driver and is rotatably supported in a h...
05/27/2003
6267351Electromagnetic valve actuator with mechanical end position clamp or latch
An electromagnetic actuator composed of: an armature movable along a linear path between first and second end positions; electromagnets positioned and operative for selectively moving the armature to either one of the first and second end positions; and a...
07/31/2001
6047945Electromagnetic valve construction
The invention relates to an electromagnetic valve having a passage therethrough and a closure member which is reciprocable between first and second positions in whoch the passage is openend and closed. An electromagnectic controllable actuator effects mov...
04/11/2000
4494727Electrically controllable valve
To provide for extremely short valve operating time periods, in the order of up to 10-5 seconds, for example, a valve element (3, 33, 53, 63, 73, 93) is slidable within a bore (2, 52), movable by a spring (10, 60) or by applied hydraulic pressu...
01/22/1985
4098284Safety device for gas supply pipe
A gas supply pipe is provided with a terminal shutoff valve upstream of a heater, stove or the like. An automatic shutoff valve is provided to the gas pipe upstream of the terminal shutoff valve which automatically closes upon receipt of an electrical sig...
07/04/1978
 
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