Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space
Patent
1989-12-20
1991-04-23
Smith, Leonard E.
Pumps
Expansible chamber type
Having pulsation dampening fluid receiving space
303 87, F04B 1100
Patent
active
050095811
ABSTRACT:
In the sump unit 1 of this invention, the sump unit 1 is installed in the operating fluid passage 4, and the fluid accommodating chamber 1a is formed as a part of the operating fluid passage 4.
Therefore, the sump unit 1 does not protrude extensively from the operating fluid passage 4, and the fluid pressure control unit can be designed in more compact form. Because the fluid accommodating chamber 1a of the sump unit 1 is formed as a part of the operating fluid passage 4, the air intermingled with the operating fluid in the fluid accommodating chamber 1a can be easily withdrawn, and this extensively facilitates the air vent of the fluid pressure control unit.
REFERENCES:
patent: 1748793 (1930-02-01), Prawet et al.
patent: 2142410 (1939-01-01), Quick
patent: 3477232 (1969-11-01), Porter
patent: 4188073 (1980-02-01), Ishikawa et al.
Kurihara Yoshiyasu
Kushiyama Takashi
Jidosha Kiki Co. Ltd.
Scheuermann David W.
Smith Leonard E.
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