Valves and valve actuation – Reciprocating valve – Piston
Patent
1995-06-06
1997-07-15
Thorpe, Timothy
Valves and valve actuation
Reciprocating valve
Piston
13762538, F16K 326
Patent
active
056475756
ABSTRACT:
A valve which may be used with a pump which includes a housing having an interior cavity therein with an inlet and an outlet leading through the housing into the cavity. A resilient sheet of material with an aperture formed therein is disposed in the cavity dividing it into first and second compartments with the inlet leading into the first compartment and the outlet leading from the second compartment. An elongated shaft adapted for reciprocating movement is disposed within and aligned with the cavity and extends through the aperture in the sheet of resilient material. An interior passage extends lengthwise in the shaft and includes first and second openings in the passage which may be positioned so that the first opening is located in the first compartment and the second opening is located in the second compartment, providing a fluid communication between the two compartments.
REFERENCES:
patent: 247401 (1881-09-01), Pease
patent: 412416 (1889-10-01), Rodgers
patent: 556153 (1896-03-01), Lines
patent: 749248 (1904-01-01), Willmann
patent: 1489540 (1924-04-01), Miller
patent: 1587172 (1926-06-01), Muller
patent: 1726402 (1929-08-01), Lurcott
patent: 3164170 (1965-01-01), Gutter
patent: 3527386 (1970-09-01), Close et al.
patent: 4209040 (1980-06-01), Peters
Davis Clark C.
Jacobsen Stephen C.
Kurytnyk Peter G.
Sarcos Group
Thorpe Timothy
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