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:
Oct. 28, 2003
Filed:
Jun. 11, 2002
Hendrik Frans Grootjans, Amsterdam, NL;
Shell Research Limited, London, US;
Abstract
An apparatus for compressing gaseous refrigerant for use in a refrigeration circuit of a liquefaction plant, which refrigeration circuit has an inlet, a first outlet for refrigerant at low pressure, a second outlet for refrigerant at intermediate pressure, a third outlet for refrigerant at high pressure and a fourth outlet for refrigerant at high-pressure, which apparatus comprises a first and a second compressor, wherein the first compressor has a main inlet connected to the first outlet, a side-inlet connected to the third outlet and an outlet connected to the inlet of the refrigeration circuit, and wherein the second compressor has a main inlet connected to the second outlet, a side-inlet connected to the fourth outlet and an outlet connected to the inlet of the refrigeration circuit.