Motors: expansible chamber type – With signal – indicator or inspection means
Patent
1978-12-04
1981-08-11
Cohen, Irwin C.
Motors: expansible chamber type
With signal, indicator or inspection means
91445, 91447, F01B 2526, F15B 13042
Patent
active
042827973
ABSTRACT:
A protective fluid system having a fluid pump and a fluid control valve and a fluid protective valve and a fluid motor all connected together. The protective valve is responsive to a loss of pressure in a fluid line, such as when the line breaks, and the valve then closes to avoid the reaction of the fluid motor which may be a powered cylinder assembly under the influence of a load, and thus the load does not fall or otherwise move when the pressure is lost in the cylinder assembly.
REFERENCES:
patent: 2497032 (1950-02-01), Millard
patent: 2964016 (1960-12-01), Talak
patent: 3148591 (1954-09-01), Sheesley
patent: 3519010 (1970-07-01), Helling et al.
patent: 3587393 (1971-06-01), Vick
patent: 3641880 (1972-02-01), Honeycutt
patent: 3728941 (1973-04-01), Cryder
patent: 3742970 (1973-07-01), Gross
patent: 4063489 (1977-12-01), Parquet et al.
Cohen Irwin C.
Hansmann Arthur J.
J. I. Case Company
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