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. 11, 2005
Filed:
Aug. 17, 2000
Wolfgang Ruehle, Ditzingen, DE;
Hubert Stier, Asperg, DE;
Matthias Boee, Ludwigsburg, DE;
Guenther Hohl, Stuttgart, DE;
Norbert Keim, Loechgau, DE;
Wolfgang Ruehle, Ditzingen, DE;
Hubert Stier, Asperg, DE;
Matthias Boee, Ludwigsburg, DE;
Guenther Hohl, Stuttgart, DE;
Norbert Keim, Loechgau, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A fuel injector, in particular a fuel injector for fuel injection systems of internal combustion engines, has a piezoelectric or magnetostrictive actuator, a valve closing element that can be actuated by the actuator and that works together with a valve seat face to form a seal seat, and a temperature compensation device. The temperature compensation device has a housing that is elastically deformable along a direction of actuation of the actuator, and has at least one throttle that connects an interior space of the housing with a fuel inlet of the fuel injector. The cross-section of this throttle is dimensioned such that an entry and exit of fuel into the housing of the temperature compensation device is enabled when there is a temperature-caused change in length of components of the fuel injector.