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. 12, 1981
Filed:
Feb. 23, 1979
Applicant:
Inventor:
Armin Bauder, Neckarsulm, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13762548 ; 123455 ; 251209 ;
Abstract
A fuel metering valve for fuel injection to an internal combustion engine, comprising a rotary valve piston movable in a valve cylinder and having a spiral groove cooperating with a number of spaced valve ports in the cylinder, each port of triangular cross-section. Fuel is admitted to one end of the spiral groove and delivered through the ports in the cylinder. Rotation of the piston progressively opens the ports simultaneously.