Title:
PLUNGER PUMP DRIVE DEVICE
Document Type and Number:
Japanese Patent JP3878925
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a plunger pump drive device with reduced operating noises caused by pulsation of an operating fluid discharged from a pump, by reducing vibrations of an electric motor.
SOLUTION: In this plunger pump drive device 5, two or more discharge regions 224 pressing and moving a plunger 71 to discharge the operating fluid, and an intake region 222 formed between the discharge regions 224, are formed. A rotation of a cam part 220 by a motor 2 makes a plunger 71 perform discharge operations twice or more.
Inventors:
Atsushi Yamashita
Tomohide Tanaka
Mutsumi Shimizu
Naotoshi Tamai
Motoyasu Nakamura
Tomohide Tanaka
Mutsumi Shimizu
Naotoshi Tamai
Motoyasu Nakamura
Application Number:
JP2003157908A
Publication Date:
February 07, 2007
Filing Date:
June 03, 2003
Export Citation:
Assignee:
Nissin Industry Co., Ltd.
International Classes:
F04B9/04; B60T8/40; F04B1/04; F04B1/047; F04B1/053; (IPC1-7): F04B9/04; F04B1/04; F04B1/047; F04B1/053
Domestic Patent References:
| JP2002538360A | ||||
| JP11247742A | ||||
| JP57059980U | ||||
| JP2000179449A |
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi
Mitsue Obuchi
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