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.

Date of Patent:
Nov. 02, 1999

Filed:

Jul. 02, 1998
Applicant:
Inventors:

Kevin John Hosking, Wivenhoe, GB;

Jonathan David Masters, Bury St. Edmunds, GB;

Jolyon Francis Torbitt, Bury St. Edmunds, GB;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ; G05D / ;
U.S. Cl.
CPC ...
62468 ; 236 345 ; 13762512 ;
Abstract

The present invention provides a valve for use in a lubrication oil circulation system associated with the compressor of a refrigeration system, which valve has internal operating components which can be removed through a sealable access opening in the wall of the body of the valve, thus allowing the operating components of the valve to be inserted into and removed from the valve body through the access opening. This permits the valve body to be connected to the pipework of the circulation system by welded joints in place of the but joints used hitherto. The invention also provides a lubrication oil circulation system incorporating a valve mechanism of the invention.


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