Title:
【発明の名称】ポンプ装置
Document Type and Number:
Japanese Patent JPH10505399
Kind Code:
A
Abstract:
PCT No. PCT/DE96/00815 Sec. 371 Date May 15, 1997 Sec. 102(e) Date May 15, 1997 PCT Filed May 10, 1996 PCT Pub. No. WO97/02421 PCT Pub. Date Jan. 23, 1997A pump device for performing a leak diagnosis of a fuel vapor retention system. The pump device is provided for a fuel vapor retention system of an internal combustion engine, having a pump membrane driven by an electromagnet and a magnetic armature, which membrane defines a supply chamber that has valve devices, wherein a first valve can be connected to ambient air via a delivery line and can be connected via a second valve to a feed pipe that has an adsorption filter, and having a stop valve between the delivery line and the feed pipe, which valve is embodied so that it can be electromagnetically actuated. The pump device according to the invention is provided for a fuel vapor retention system of an internal combustion engine.
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Inventors:
Erwin Climmer
Helmut Dent
Wolfgang Schultz
Ernst Wild
Vinfried Kount
Helmut Schweckler
Andreas Blumenstock
Tillman Miele
Manfred Zimmerman
Helmut Dent
Wolfgang Schultz
Ernst Wild
Vinfried Kount
Helmut Schweckler
Andreas Blumenstock
Tillman Miele
Manfred Zimmerman
Application Number:
JP50468397A
Publication Date:
May 26, 1998
Filing Date:
May 10, 1996
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
C12N15/02; A61K35/407; A61K38/00; A61K38/17; A61P35/00; B23K26/08; C07K14/47; C12P21/08; F01D25/28; F02C7/00; F02M25/08; F04B43/04; F04B45/047; F04B49/24; F23R3/60; C12R1/91; (IPC1-7): F02M25/08; F04B45/047
Attorney, Agent or Firm:
Toshio Yano (3 outside)