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7367473 |
Circuit for dispensing fluid products, in particular colouring agents, paints or similar fluid products
A circuit for dispensing fluid products, in particular coloring agents, paints and the like, comprises a pump ( 12 ) for delivering a fluid product, which pump can be activated selectively to send...
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7367357 |
Solenoid ball valve with bypass orifice
On/off solenoid ball valves of the invention comprise at least one inlet port; at least one pressure control outlet port; at least one exhaust port; at least one check valve positioned between the...
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7351179 |
Stepper motor driven proportional actuator
A low energy stepper motor driven actuator that eliminates the need for a position sensor is provided. The stepper motor rotates a cam in a control piston valve. The cam rotation increases the gap...
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7331565 |
On/off solenoid
A solenoid control valve is described wherein the valve employs a precision molded plastic valve seat member, a corresponding control valve body which includes flying buttresses for supporting and...
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7322376 |
Piezoelectric valve
A piezoelectric valve has a flexural transducer accommodated in a valve housing and having a free ending cantilever operational section able to be deflected by electrical control. The operational...
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7320335 |
Electrohydraulic control device
A electrohydraulic control device H for the direction control of a hydro-motor, particularly for working pressures u to more than about 450 bar in a portable working device, comprises working lines...
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