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:
Aug. 15, 1978
Filed:
Apr. 14, 1977
Wolfgang Kohler, Cologne, DE;
Klockner-Humboldt-Deutz Aktiengesellschaft, Cologne, DE;
Abstract
A fuel injector for internal combustion engines which comprises a fuel pump, a fuel injection pump with volume governor, and a fuel injection valve. A differential piston is arranged between the fuel injection pump and the fuel injection valve. The larger end face of the differential piston is acted upon by the fuel injection pump; the smaller end face is acted upon by the fuel pump through a check valve. The differential piston is connected with valve which limits the feed pressure of the fuel pump is provided in a connecting line between the fuel pump and the fuel injection pump. A pressure valve which determines the fuel pressure ahead of the fuel injection pump is arranged in a return line from the fuel injection pump to the fuel tank.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile