Outboard motor with engine tachometer

Details Outboard motor with engine tachometer Outboard motor with engine tachometer

1985-02-08

1986-05-13

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123198E, 324208, 324174, 324169, F02B 7708, G01P 348

Patent

active

045879354

ABSTRACT:
Two embodiments of improved electric tachometers for outboard motors wherein the tachometer and its driving sensor are mounted on the protective cowling of the power head of the motor and the sensor derives an electrical signal through an air gap so that no mechanical connection is required between the engine and the tachometer.

REFERENCES:
patent: 1738772 (1929-12-01), Harry
patent: 2549480 (1951-04-01), Kiekhaefer
patent: 2627181 (1953-02-01), Kiekhaefer
patent: 2649848 (1953-08-01), Armstrong
patent: 2798472 (1957-07-01), Armstrong
patent: 3845839 (1974-11-01), Eriksson
Sales Pamphlet, Model DET-200, 201, 301 and 550, Oppama Industry Co. Ltd.

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