Fluid valve structures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 1, 1987
Grant Date -
N/A
app pub date -
Jan 17, 1986
filing date -
Jan 17, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fluid valve structure is provided having spaced first and second inlet sections connected to a source of pressure fluid and a plurality of side by side valve sections between said inlet sections, each having inlet, work and tank chambers intersected by a passage open at opposite ends to a control chamber and a tank chamber at a common pressure, a valve spool movable in said passage and having both ends at a common pressure and grooves adapted selectively to connect the work chamber to the inlet or tank chamber, a lever in the control chamber removably engaging one end of the spool and rotatable about a shaft transverse to the spool axis, and an external handle means operatively engaging the shaft to rotate the lever to move the spool axially in the passage, all of the spool, lever and shaft being fully enclosed with a valve housing in all operative positions.
First Claim
Other Claims data not available