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:
Apr. 17, 2018
Filed:
Sep. 19, 2014
Applicant:
Continental Automotive Gmbh, Hannover, DE;
Inventor:
Willibald Schuerz, Pielenhofen, DE;
Assignee:
CONTINENTAL AUTOMOTIVE GMBH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 63/00 (2006.01); F02M 51/06 (2006.01); F02M 61/08 (2006.01); H01L 41/053 (2006.01); F02M 61/14 (2006.01); F02M 61/16 (2006.01);
U.S. Cl.
CPC ...
F02M 51/0603 (2013.01); F02M 61/08 (2013.01); F02M 61/14 (2013.01); F02M 63/0057 (2013.01); H01L 41/0536 (2013.01); F02M 61/167 (2013.01); F02M 2200/26 (2013.01); F02M 2200/708 (2013.01); F02M 2200/9053 (2013.01);
Abstract
A piezo injector for direct fuel injection may comprise an injector body, an actuator unit having a piezoelectric actuator with a head plate and a base plate, a hydraulic coupler having a coupler piston, a coupler cylinder, and a coupler spring, and a nozzle unit having a nozzle needle arranged in a nozzle body. The piezoelectric actuator is surrounded by a corrugated tube braced between the head plate and the base plate such that the piezoelectric actuator has a preload imparted to it. The coupler spring forces the coupler piston against a face side, facing toward the coupler piston, of the nozzle needle.