The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6994272 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 07, 2006

Filed:

Oct. 15, 2002
Applicants:

Michael Kurrle, Wendlingen, DE;

Reiner Koch, Ludwigsburg, DE;

Joerg-peter Fischer, Deizisau, DE;

Inventors:

Michael Kurrle, Wendlingen, DE;

Reiner Koch, Ludwigsburg, DE;

Joerg-Peter Fischer, Deizisau, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 41/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

An injector for high-pressure injection of fuel in self-igniting internal combustion engines includes an actuator valve for opening and closing the injector; a nozzle needle, which in the closed state of the injector closes at least one injection opening; a metering valve, which establishes a hydraulic communication between the actuator valve and the relief chamber of the injector; a pressure holding device, which serves to maintain a static pressure required for the metering valve; and a first control quantity line for control quantities that flow via the actuator valve, and a second control quantity line for control quantities that flow via the metering valve. The pressure holding device dynamically separates the control quantities of the metering valve from the control quantities of the actuator valve by means of a hydraulic fluctuation damper.


Find Patent Forward Citations

Kurrle, Michael. (2006). Injector for high-pressure fuel injection (U.S. Patent No. 6994272). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6994272

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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