Title:
ダイアフラムポンプ
Document Type and Number:
Japanese Patent JP3993103
Kind Code:
B2
Abstract:
The device has an elastic pump membrane driven by motor via a crank drive with a connecting rod and a pump chamber in a base plate spanned by the membrane. The pump chamber wall in the base plate expands conically from a flat central floor section to the side wall and the membrane is essentially in tight contact with the entire pump chamber wall at the connecting rod's top dead center so that practically no dead volume remains.
Inventors:
Andre, Gletter
Application Number:
JP2002554395A
Publication Date:
October 17, 2007
Filing Date:
December 20, 2001
Export Citation:
Assignee:
Medela AG
International Classes:
F04B45/04; F04B43/00
Domestic Patent References:
| JP6185466A | ||||
| JP9195945A | ||||
| JP48033042Y1 | ||||
| JP61167492U | ||||
| JP11510081A | ||||
| JP7151054A | ||||
| JP3060731U |
Foreign References:
| US5699717 | ||||
| US4231287 |
Attorney, Agent or Firm:
Kihei Watanabe