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7367229 |
Liquid flow regulating device and dynamometer testing device
The present invention relates to a regulating device ( 1 ) for control of flow and/or pressure, including a housing ( 3 ) enclosing a movable inner member ( 2 ) which is provided with a passage...
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7210434 |
Hydraulic cam for variable timing/displacement valve train
A hydraulic fluid cam providing variable valve actuation in an engine is disclosed. In one embodiment, the hydraulic fluid cam is adapted to vary valve timing while holding valve displacement...
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6470913 |
Balanced rotary servovalve
A rotory servovalve is constructed with a cylindrical annular housing and a cylindrical valve element rotatable therewithin. The valve housing has at least two inlet orifices, at least two outlet...
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6269838 |
Rotary servovalve and control system
An improved rotary servovalve system employs a rotary magnetic solenoid having an armature that includes at least one permanent magnet. The armature is rotatable relative to a stator formed as an...
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6158465 |
Rotary valve assembly for engines and other applications
A rotary valve assembly includes a housing for positioning on an engine of the piston and cylinder type. The housing includes an intake passage for conducting a working fluid to the cylinder and an...
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RE35866 |
Apparatus for producing variable-play fountain sprays
Fountain apparatus in which a valve (40B) in the liquid circulating system of a fountain is adapted to control liquid flow to one or more nozzles (73, 74) to effect movement and interaction of the...
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5597014 |
High-flow direct-drive rotary servovalve
A rotary valve (10) is adapted to be associated with a fluid source (P) and a fluid return (R), and is adapted to control the flows of fluid (via control ports C 1 and C 2 ) with respect to the...
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5524822 |
Apparatus for producing variable-play fountain sprays
Fountain apparatus in which a valve (40B) in the liquid circulating system of a fountain is adapted to control liquid flow to one or more nozzles (73, 74) to effect movement and interaction of the...
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