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:
Mar. 08, 1988
Filed:
Aug. 07, 1987
Applicant:
Inventors:
Assignee:
Danfoss A/S, Nordborg, DK;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417302 ; 417310 ; 417308 ; 137597 ;
Abstract
The invention relates to an oil pump unit for a nozzle burner that includes a diaphragm type valve assembly located between a pump housing and a cover removably mounted by the pump housing. The valve assembly includes two or more diaphragm regulating valves or valve sections having an individual diaphragm therefor. The cover and housing together with the valve assembly defining a fluid circuit for controlling the flow oil to the burner nozzle conduit.