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. 07, 2015
Filed:
May. 10, 2010
Gary Short, Alfreton, GB;
Gary Short, Alfreton, GB;
Coldharbour Marine Limited, , GB;
Abstract
Embodiments of the invention provide liquid pump apparatus. The apparatus may comprise an immersion assembly comprising at least one immersion member having a liquid conduit provided therein along at least a portion of a length thereof, the immersion assembly being arranged whereby in use at least a portion of the immersion assembly is immersed in liquid to be pumped, the apparatus being arranged to provide a supply of gaseous fluid to liquid in the tank through the at least one immersion member at one of a plurality of vertically spaced apart locations of the assembly thereby to cause passage of liquid through the assembly from a liquid inlet aperture to a liquid outlet aperture of the assembly, the apparatus being configured whereby a location at which gaseous fluid is supplied to the immersion assembly is selected to be a location at which a head of pressure of liquid in the tank is within a prescribed range of values.