F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
341/39, 103/42
F04B 49/06 (2006.01) F04B 11/00 (2006.01) F04B 49/20 (2006.01)
Patent
CA 1181509
ABSTRACT OF THE DISCLOSURE An improved pulsation-free reciprocating volumetric pump is disclosed, which comprises two reciprocating plungers, a cam for driving said plungers, a driving motor connected to said cam, a circuit connected to said driving motor for cont- rolling rotational rate, and another circuit for detecting a pressure of combined volume discharged by the two plungers and for correcting a control signal of said rotation controlling circuit through the detected signal.
387924
Frayne & Company Robert
Nikkiso Co. Ltd.
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