Track adjustment valve

Details Track adjustment valve Track adjustment valve

1991-05-31

1992-11-24

Stormer, Russell D.

Wheel substitutes for land vehicles

Combined or convertible

305 31, B62D 5530

Patent

active

051657651

ABSTRACT:
A valve assembly which is effective for filling a system with pressurized fluid and metering from the pressurized system a predetermined amount of pressurized fluid. The valve assembly includes a valve body comprising a primary chamber and a valve member adapted to move within the primary chamber. The primary chamber communicates with a source of pressurized fluid and also communicates with a working cylinder. The valve member is responsive to a first pressure of the source of pressurized fluid to allow the working cylinder to achieve a maximum stroke. The valve member is responsive to a second pressure of said pressurized fluid to meter a predetermined amount of fluid from the working cylinder before decoupling the working cylinder from the source of pressurized fluid. By metering a predetermined amount of fluid from the cylinder, the cylinder retracts to a position which is incrementally fixed in relation to its maximum stroke position. A system is also disclosed utilizing the valve in association with a track adjustment system for automatically adjusting the track tension on vehicles which employ ground engaging tracks.

REFERENCES:
patent: 2837380 (1958-06-01), Mazzarins
patent: 3101977 (1963-08-01), Hyler et al.
patent: 3901563 (1975-08-01), Day

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