Poppet valve flow seat

Details Poppet valve flow seat Poppet valve flow seat

1986-06-12

1989-10-10

Kamen, Noah P.

Fluid handling

Line condition change responsive valves

Direct response valves

1375121, 13754313, 251359, F16K 1500

Patent

active

048724815

ABSTRACT:
The edges of the port exits of a poppet valve seat member are each provided with a 30 degree chamfer and a counter-bore immediately upstream of the chamfer to significantly reduce exit flow losses. The depth/width of the counter-bore is between about 2:1 and about 3:1.

REFERENCES:
patent: 1691449 (1928-11-01), Sharp
patent: 2504470 (1950-04-01), Trautman
patent: 2624587 (1953-01-01), Watson et al.
patent: 3701361 (1972-09-01), Bunn et al.
patent: 4036251 (1977-07-01), Hartwick et al.
patent: 4228820 (1980-09-01), Deminski
patent: 4489752 (1984-12-01), Deminski
patent: 4526195 (1985-07-01), Humphrey et al.
"Experimental Investigation of Pressure Drop in Valve Parts and Conduits of Hermetic Compressor" by A. W. Palzuski, Proceeding of 1982 Purdue Compressor Technology Conference, pp. 26-31.

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