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Patent Searching and Data


Title:
計量式電磁ポンプ
Document Type and Number:
Japanese Patent JP4203138
Kind Code:
B2
Abstract:
It is sought to accurately control the discharge rate of a pump according to the frequency of a current pulse output applied to an electromagnetic coil. The pump comprises an electromagnetic solenoid 13, a plunger 18 driven thereby, a check valve 2 disposed downstream the plunger 18 and driven by the electromagnetic solenoid 13, and an suction valve 17 provided in the plunger 18 and a discharge valve 8 provided in an inner yoke 6, the check valve 2 being opened when a current pulse output for energizing the electromagnetic solenoid 13 is turned on, thus causing a discharge stroke of the plunger 18.

Inventors:
Kenji Okada
Koji Takazawa
Shin Saito
Fujinuma Tohru
Katsumi Takami
Application Number:
JP2281998A
Publication Date:
December 24, 2008
Filing Date:
January 20, 1998
Export Citation:
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Assignee:
Mikuni Corporation
International Classes:
F04B17/04; F02M51/04; F04B13/00; F16K31/06
Domestic Patent References:
JP51024726B1
JP1163458A
Attorney, Agent or Firm:
Masao Shibata