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.:
Date of Patent:
Jan. 24, 2006
Filed:
Dec. 22, 2001
Applicant:
Patrick Mattes, Stuttgart, DE;
Inventor:
Patrick Mattes, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 59/00 (2006.01); F02M 39/00 (2006.01); B05B 1/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An injection valve for an internal combustion engine, including a valve control piston, a valve control chamber with an inlet throttle and an outlet throttle for actuating the valve control piston, a valve control unit, actuated by means of a piezoelectric actuator unit for controlling the valve control chamber, which valve control unit is embodied in valvelike fashion and has a valve closing member cooperating with at least one valve seat. To assure a high closing speed of the valve closing member, the valve closing member and the at least one valve seat are disposed in the valve control chamber.