Pressure and flow-regulating valve for automatic or semiautomati

Details Pressure and flow-regulating valve for automatic or semiautomati Pressure and flow-regulating valve for automatic or semiautomati

1976-02-06

1977-04-12

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

1371163, 91442, G05D 701

Patent

active

040168972

ABSTRACT:
Pressure- and flow-regulating valve for automatic- or semiautomatic-cycle lubricating systems, principally characterized by being provided with a longitudinal bore subdivided into three aligned sections: in the intermediate section whereof there is coupled, with guided axial sliding, a piston element whose straight section has an area smaller than that of the intermediate bore section so as to permit oil to flow between the piston and the wall of the intermediate bore section; by the lower end of the piston terminating in an axial rod whose diameter is smaller than that of the piston to permit insertion of a coil spring around said rod; there being provided that the rod terminates in a spherical cap, intended to plug the last section of the longitudinal bore communicating with oil discharge when oil flows toward lubrication circuit and to re-open it when oil flow is interrupted.

REFERENCES:
patent: 795134 (1905-07-01), Jones
patent: 1441759 (1923-01-01), Schwennker
patent: 1595074 (1926-08-01), Crews
patent: 1726102 (1929-08-01), Forman
patent: 2643739 (1953-06-01), Tear
patent: 2670751 (1954-03-01), Wilson
patent: 3419030 (1968-12-01), Gratzmuller
patent: 3474816 (1969-10-01), Burgess
patent: 3827451 (1974-08-01), Roob

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