Ignition unit for internal combustion engine

Details Ignition unit for internal combustion engine Ignition unit for internal combustion engine

Filed on

1993-08-25

Date issued

1995-03-21

Examiner

Kamen, Noah P.

Patent Class

Internal-combustion engines

SubClass

High tension ignition system

SubSubClass

Specific coil location

Other Related Categories

411517, 411918, F02P 1100

Type

Patent

Status

active

Patent number

053986644

Description

ABSTRACT:
An arrangement for mounting an ignition coil on the cylinder head of internal combustion engines. Threaded bolts extend from the cylinder head. The thread having a substantially saw tooth cross section with the thread flank facing away from the cylinder head at an acute angle and the thread flank head oriented substantially normal to the axis of the bolt. The ignition coil, which for this purpose is provided with a bore, may be slipped onto the bolt and a fastener provided with a resiliently expansible locking member may thereafter be slipped onto the bolt.

REFERENCES:
patent: 1847899 (1932-03-01), Robezzana
patent: 3887990 (1975-06-01), Wilson
patent: 5038745 (1991-08-01), Krappel

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