Rotating poppet valve system

Details Rotating poppet valve system Rotating poppet valve system

1985-06-20

1986-07-01

Walton, G. L.

Fluid handling

Non-valving motion of the valve or valve seat

Rotary motion of a reciprocating valve

123 9029, 123 9067, F16K 2900, F01L 132

Patent

active

045974080

ABSTRACT:
A poppet valve has a threaded end of its stem. A coiled valve spring is provided with a valve spring retainer having a central bore for the valve stem, a circular groove for the spring, and a first ball bearing race on the opposite face from the spring groove. A valve retainer has a threaded bore and a second ball bearing race. A set of ball bearings is disposed in the spring retainer race, the valve stem is inserted through the spring and spring retainer, and the valve retainer is threaded onto the valve stem engaging the ball bearings by the second race. The ball bearing assembly thus permits the valve to rotate with respect to the spring and spring retainer during operation. A lock nut is used to lock the assembly.

REFERENCES:
patent: 1244287 (1917-10-01), Buck
patent: 1297342 (1919-03-01), Garlick
patent: 1470102 (1923-10-01), Rahm
patent: 1513075 (1924-10-01), Trembley
patent: 2165239 (1939-07-01), Douglas et al.
patent: 2841128 (1958-07-01), Aiken
patent: 2863427 (1958-12-01), Newton
patent: 3890943 (1975-06-01), Schonlau et al.

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