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:
Sep. 26, 1978
Filed:
Mar. 17, 1977
Wolfram Glauert, Bamberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
To suppress stray noise pulse in inductive pick-ups located in magnetic relation to a rotating body, typically the flywheel of an internal combustion engine, so that the instantaneous shaft position can be accurately determined, to accurately compute an ignition instant, fixed or stationary pick-up transducer is formed with an E-shaped core having outer legs and a central leg, the pick-up coil being wound on the central leg, and the magnetic element, typically a permanent magnet rotating with the shaft of the engine, having a width to match essentially only the width of the central core and passing in a plane transverse to the plane of the core, so that the outer legs of the core will act as shields against stray noise pulses. The core can be constructed as a circular element of a central core within a tubular magnetic structure, the E-shaped configuration being obtained by slotting the outer tubular structure.