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:
May. 09, 2006
Filed:
Nov. 25, 2002
Applicants:
Guenther Hohl, Stuttgart, DE;
Michael Huebel, Gerlingen, DE;
Juergen Stein, Illingen, DE;
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a piezoelectric or magnetostrictive actuator, a hydraulic coupler, the hydraulic coupler having a master piston and a slave piston that are connected to a pressure chamber, and the pressure chamber being filled with an hydraulic fluid. The pressure chamber is sealed from an actuator chamber by a first seal and from a valve interior chamber by a second seal.