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:
Jul. 22, 1980

Filed:

Sep. 11, 1978
Applicant:
Inventor:

Samuel A Roberts, Keston Park, Farnborough, Kent, GB;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ;
U.S. Cl.
CPC ...
417363 ; 417369 ; 237 63 ; 310 54 ;
Abstract

A pump for a central heating system having a tubular housing and a motor for driving an axial flow impeller which is mounted within the housing, the motor having casing mounted within the tubular housing, forming a liquid flow passage between the outer surface of the casing and the inner surface of the housing, the motor being adapted to be powered by electricity supply of a frequency greater than 70 Hertz, wherein the impeller is mounted upstream of the motor, and guide vanes are mounted in the annular passage to smooth the flow of liquid from the impeller.


Find Patent Forward Citations

Roberts, Samuel. (1980). Pump for central heating system (U.S. Patent No. 4213745). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4213745

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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