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. 23, 2002
Filed:
May. 20, 1999
Applicant:
Inventors:
Mark G. Fulford, Peoria, IL (US);
Michael J. Laible, Washburn, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 4/100 ;
U.S. Cl.
CPC ...
F02M 4/100 ;
Abstract
A one-piece non-magnetic poppet of a first material for controlling fluid flow. The poppet is moves from a first position to a second position. In the first position, the poppet plugs an aperture so as to resist fluid flow through the aperture. In the second position, the poppet is in a position that allows fluid flow through the aperture. The poppet may be coup led directly with an armature disposed within the housing.