Intermeshing pump rotor gears with involute and linear flank portions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 14, 1980
Grant Date -
N/A
app pub date -
Oct 17, 1977
filing date -
Oct 19, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pair of rotors for a rotary piston pump or blower is disclosed. The rotor flanks comprise an involute section for cooperation with a similar section on the other rotor. Inside the involute section the flank comprises a circular arc portion. Outside the involute section the flank comprises a substantially linear part resulting in reduced flow losses at high rotational speeds without the creation of a blow-hole between the outlet and the inlet of the machine.
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