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:
Aug. 16, 1977
Filed:
Jan. 15, 1976
Applicant:
Inventors:
Dennis E Newell, El Segundo, CA (US);
Hugh J Tyler, Santa Ana, CA (US);
Assignee:
Robertshaw Controls Company, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 27 ; 3182 / ; 318473 ; 318484 ; 361 29 ;
Abstract
A motor control circuit for controlling the operation of a motor having main running-speed windings and also start-up windings includes a fixed time delay circuit to energize the main windings after a time delay following energization of the startup windings. In addition a lock-out circuit is provided to prevent re-start of the circuit following a particular fault condition.