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. 23, 1985
Filed:
Mar. 17, 1983
Tibor Horvath, Brooklyn, NY (US);
Metaframe, Inc., Irvington, NJ (US);
Abstract
An electrically driven pump (10) for circulating liquid in a fish tank (16) or the like comprises a stator (32); an impeller-rotor assembly (80) comprising a shaft (82), a magnetic rotor (84) mounted on the shaft (82) for rotation in response to the electromagnetic field produced by the stator (32), and an impeller (100) rotatable with the rotor (84); and a housing (50, 60) disposed adjacent the stator (32) and defining a chamber for supporting the impeller-rotor assembly (80), the housing having inlet (44) and outlet (70) openings, one of the openings (70) being spaced from one end of the impeller-rotor assembly (80), the housing (50, 60) also defining a connecting channel (66) communicating the one opening (70) with the one end of the assembly (80) for bathing the one end of the assembly (80) in liquid.