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:
Nov. 08, 1994
Filed:
May. 23, 1991
Applicant:
Inventor:
Eric Day, Longmeadow, MA (US);
Assignee:
AIL Corporation, Columbia, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F02M / ;
U.S. Cl.
CPC ...
417293 ; 123357 ;
Abstract
An actuator for moving a solenoid armature to control fuel in response to a control current is built into a fuel pump, with trapped air in and around the actuator preventing contamination of the actuator by ferromagnetic particles in the liquid fuel from the fuel pump.