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. 07, 2000
Filed:
May. 27, 1999
Applicant:
Inventor:
Ken William Taylor, Oakridge, NC (US);
Assignee:
Dresser Equipment Group, Inc., Carrollton, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ;
U.S. Cl.
CPC ...
417 53 ; 417286 ; 417307 ; 417313 ; 417426 ;
Abstract
A pumping system and method according to which a plurality of housings are connected together, with each having an inlet and an outlet for respectively receiving and discharging the liquid to be pumped. A single shaft is driven by a motor and extends though all of the housings, and a plurality of rotors are respectively disposed in the housings and are connected to the shaft for rotation therewith. When the shaft is rotated, the rotors pump liquid passing into their corresponding housings from its inlet, through the housing and out its outlet.