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:
Jul. 29, 2003
Filed:
Jul. 05, 2001
Applicant:
Inventors:
Wilfried Durth, Landsberg, DE;
Erwin Schuller, Wolfratshausen, DE;
Assignee:
Rational Aktiengesellschaft, Landsberg/Lech, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 1/101 ;
U.S. Cl.
CPC ...
G05B 1/101 ;
Abstract
A cooking device having a cooking chamber, a motor unit for driving a fan for purposes of circulating cooking chamber atmospheres in the cooking chamber, a control and regulator unit cooperating with the motor unit and a voltage phase and frequency converter which has power supply connections for the input of a.c. voltage signals L and at least one connection to the control and regulator unit and an output connection for transmitting three-phase voltage signals U, V and W with adjustable amplitude, frequency and phase to the motor unit.