Fluid valve structures

Details Fluid valve structures Fluid valve structures

1986-01-17

1987-12-01

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91447, 13762569, F15B 1308

Patent

active

047097248

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.

REFERENCES:
patent: 3221770 (1965-12-01), Paisandier
patent: 3381587 (1968-05-01), Parquet
patent: 3548860 (1970-12-01), Jacobs et al.
patent: 3613508 (1971-10-01), Krehbiel et al.
patent: 3717175 (1973-02-01), Boydell

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