Rotary pump having a substantially triangular rotor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Sep 13, 2000
filing date -
Mar 21, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary pump includes a substantially triangular rotor rotatably arranged in a housing and including vertexes which are in slide contact with a trochoid curved surface of the inner periphery of the housing. The housing and the rotor cooperate with each other to define a pair of suction working chambers and a pair of discharge working chambers. The housing is formed with a pair of suction ports to communicate with the pair of suction working chambers when the pump proceeds to the suction stroke, and with a pair of discharge ports to communicate with the pair of discharge working chambers when the pump proceeds to the compression stroke.
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