Engine ignition timing device

Details Engine ignition timing device Engine ignition timing device

1995-12-18

1997-10-07

Dombroske, George M.

Measuring and testing

Test stand

For engine

123418, 340439, G01M 1500

Patent

active

056750781

ABSTRACT:
The present invention relates to a device (1) for providing a reference indication of crankshaft positioning for setting and maintaining ignition timing of spark ignition in, for example, automotive piston engines. The device includes a mounting portion (2) and a carrying portion (7). The mounting portion is adapted for rigid attachment to the crankshaft (S) for rotation therewith, and, in use, extends radially of a rotational axis of the engine crankshaft. The carrying portion is for carrying indicia means (9) by which the positioning of the crankshaft can be determined. Importantly, the device of the invention is adapted to assume the task of indicating spark ignition timing from an harmonic balancer (8).

REFERENCES:
patent: 4924830 (1990-05-01), Abe
patent: 4989448 (1991-02-01), Fukui et al.
patent: 5070727 (1991-12-01), Davis et al.
patent: 5305220 (1994-04-01), Schoggl
patent: 5325710 (1994-07-01), Morikawa
patent: 5361630 (1994-11-01), Kowalski
patent: 5433108 (1995-07-01), Sawada

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