Asymmetric magnetization fixture

Details Asymmetric magnetization fixture Asymmetric magnetization fixture

1990-10-18

1992-05-26

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

335284, G01N 2772, G01R 3312, H01F 720, H01F 1300

Patent

active

051171830

ABSTRACT:
A high resolution sensor for internal combustion engines has symmetric and asymmetric magnetic encoders mounted on a support plate for synchronous rotation with the engine. Hall-effect sensor devices monitor the magnetic fields of the encoders and transmit signals to an Electronic Engine Control Unit. Ignition and fuel injection timing are deduced from the positions of the magnetic encoders. The encoders are magnetized on a fixture which establishes the size, strength, and location of each pole.

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