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. 20, 2021
Filed:
Apr. 29, 2016
Spirax-sarco Limited, Cheltenham, GB;
Jeremy Miller, Cheltenham, GB;
Obadah Zaher, Cheltenham, GB;
Spirax-Sarco Limited, Cheltenham, GB;
Abstract
A pumping apparatus for a heat engine, includes an extraction line arranged to extract a fraction of liquid working fluid from a working circuit of a heat engine; an extraction line pump for pumping the extracted working fluid; an extraction line heat exchanger for vaporising the extracted working fluid; and a pressure-operated pump for pumping the working fluid around the working circuit, wherein the extraction line pump and the extraction line heat exchanger are arranged in series to convert the liquid working fluid to a pressurised motive gas; and wherein the pump is driven by the pressurized motive gas.