Title:
【発明の名称】ピストンポンプ
Document Type and Number:
Japanese Patent JP3427383
Kind Code:
B1
Abstract:
To provide an efficient piston pump having a small number of parts and simple assembly steps, and consuming less current in achieving a relatively low ultimate pressure. The piston pump comprises: a suction port (28) through which gas sucked by varying the volume of a pump chamber (22) defined by a cylinder (12) and a piston (14) fitted in the cylinder (12) passes as the piston (14) is reciprocated, an exhaust port (20) through which the gas discharged by varying the volume of the pump chamber (22) passes, a suction valve (26) installed in the suction port (28) disposed on a piston top, and an exhaust valve (18) installed in the exhaust port (20) disposed on a top of the cylinder (12).
Inventors:
Michio Kitahara
Paul Patterson
Paul Patterson
Application Number:
JP2002105675A
Publication Date:
July 14, 2003
Filing Date:
April 08, 2002
Export Citation:
Assignee:
KMC Co., Ltd.
International Classes:
A61B5/022; F04B35/01; F04B35/04; F04B39/00; F04B39/10; F04B41/00; F04B53/22; (IPC1-7): F04B41/00; F04B35/01; F04B39/10
Domestic Patent References:
| JP8338369A | ||||
| JP8189468A | ||||
| JP5157049A | ||||
| JP58111466U | ||||
| JP637580U | ||||
| JP4921914Y1 | ||||
| JP77921Y2 | ||||
| JP4837289Y1 | ||||
| JP242253Y2 |
Attorney, Agent or Firm:
Masayuki Masabayashi (2 others)