Matches 1 - 19 out of 19


Match Document Document Title
8292261 Secured water and/or air dispenser for snowmaking system, equipped with an electric-actuator-driven valve  
A water and/or air dispenser for snowmaking system includes water and/or air supplying ducts and is equipped with at least one valve (9) associated with an electric actuator (10), the actuator...
8172199 Valve control apparatus and flow rate controller  
A valve control apparatus including a stepping motor coupled to a valve and a motor control unit for controlling the stepping motor is provided. The motor control unit includes a motor control...
7556238 Emergency shutdown system  
An emergency shutdown system includes an emergency shutdown valve, a control line to carry a signal determinative of positioning of the emergency shutdown valve, a solenoid assembly coupled to the...
7117884 Valve 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)...
6568652 Throttle 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...
6267351 Electromagnetic 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...
6047945 Electromagnetic 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...
4494727 Electrically 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...
RE30135 Electric fail-safe actuator  
An electrically operated fail-safe valve actuator employs a spring which is wound to store energy during operation of the electric drive motor, an electric clutch operable to disengage the drive...
4098284 Safety 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...
3798894 DRIVE, PREFERABLY FOR THE MOVABLE MEMBER OF VALVES  
A drive for the movable member of valves, in which an actuating element connected to a source of electric current for the purpose of its heating is mounted in a housing on two supports. One of the...
3656509 AUTOMATIC TONER FEEDING DEVICE FOR ELECTRONIC COPYING MACHINES  
An automatic toner feeding device for electronic copying machines which adds a certain amount of the toner each time a certain number of copying paper sheets are developed. A gear turns in...
3596873 VALVE ASSEMBLY AND SERVO SYSTEM INCORPORATING SAME  
A valve assembly having a needle valve precisely positioned with respect to a needle valve seat by the use of a coil in a magnetic field and a servosystem including the valve assembly for...
3463445 VALVE HAVING SOLENOID CONTROLLED CONNECTION BETWEEN MANUAL OPERATOR AND VALVE ELEMENT  
3463443 VALVE HAVING RELEASABLE LATCH MECHANISM  
3463444 MANUALLY OPERABLE VALVE HAVING SOLENOID CONTROLLED RELEASABLE LATCH MECHANISM  
3385559 Releasable latch mechanism for control devices, valves, and the like  
2887623 Dual action solenoid  
2780433 Valve  

Matches 1 - 19 out of 19