Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1997-09-11
2000-04-25
Patidar, Jay
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
3242072, G01P 348, G01B 714
Patent
active
060548509
ABSTRACT:
The invention provides a magnetic sensor which can be easily produced with a correct combination of parts without requiring an operator to pay particular attention. The magnetic sensor includes: a main sensor unit including: an intermediate part, the outer surface of the intermediate part forming a holder receptor, a receiving structure being provided on the holder receptor; a step-shaped seating; a long plate shaped main including a sensor element, a permanent magnet, and an electronic component; and a connector; and a case including: a sleeve in the form of a cylinder with a closed end and an open end, the sleeve having sealing means formed on the open end, the sealing means serving to create a sealed space inside the sleeve in cooperation with the seating, the sealed space serving as a space in which the main part is placed; a holder for holding the holder receptor, the holder including a fitting structure extending from the open end of the sleeve, the fitting structure being fitted to the receiving structure and a separation stopper for preventing the main part from moving off from the sleeve.
REFERENCES:
patent: 4994739 (1991-02-01), Honda et al.
patent: 5488294 (1996-01-01), Liddell et al.
Hayashi Noriaki
Hiraoka Naoki
Ohashi Yutaka
Sakanoue Hiroshi
Mitsubishi Denki & Kabushiki Kaisha
Patidar Jay
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