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:
Jan. 17, 1984
Filed:
Dec. 21, 1981
Helmut Moder, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
To reduce further switching energy arising upon changing-of-state of a semiconductor switch pair, connected to a load (17), particularly an inductive load, switching dissipating networks (6, 7), each including a storage capacitor (9, 12) which receive and accept switching energy in the respective semiconductor switch (4, 5), are interconnected by an additional network (15, 16; 20; 21-26) to place the respective capacitors, effectively, in parallel for additional energy storage and provide a single network for current flow upon changing-of-state of the respective switch to the capacitors, the energy represented by the current flow being retrievable by forming the additional network (FIG. 3), for example, as a voltage converter, e.g. a blocking oscillator, permitting feedback of the recovered switching energy to a supply source (1, 3) which may be a storage battery.