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:
Jul. 16, 2002
Filed:
Jun. 22, 2000
Applicant:
Inventors:
Robert D. Cooper, Elk River, MN (US);
Thomas L. Kruzel, Maple Grove, MN (US);
Assignee:
Wagner Spray Tech Corporation, Plymouth, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/924 ; F04B 4/906 ; H01H 3/538 ; G01L 9/00 ;
U.S. Cl.
CPC ...
F04B 1/924 ; F04B 4/906 ; H01H 3/538 ; G01L 9/00 ;
Abstract
A fluid pump having a motor operably coupled to a pump assembly, the motor and pump assembly acting cooperatively to pressurize a fluid includes a pressure switch being in communication with the fluid under pressure and being in communication with the motor for sensing the fluid pressure and controlling the operation of the motor to maintain a selected fluid pressure. A method of controlling fluid pressure in a fluid pump, the fluid pressure being generated by activating a pump motor to operate a pump assembly.