Automotive-type distributor rotor with built-in suppressor resis

Details Automotive-type distributor rotor with built-in suppressor resis Automotive-type distributor rotor with built-in suppressor resis

1984-07-30

1985-12-31

Scott, J. R.

Electricity: circuit makers and breakers

Periodic

Contact breaker detail

338 66, F02P 710, H01C 1300, H01H 1900

Patent

active

045623171

ABSTRACT:
To increase the resistance against high-voltage flash-over or arc-over of a distributor rotor with a built-in radio noise suppression resistor (5), the radio noise suppression resistor (5) is formed together with the distribution terminal (1) and a central contact terminal (4) in form of a plate (11) in a unitary subassembly, for example by rivet connection of the terminals to end caps (8, 9) on the resistor, the subassembly then being molded into the rotor body (6) during an injection-molding step. To provide for mechanical strength, the resistor preferably includes fiber-reinforced epoxy as a substrate or carrier, or as a jacket. Preferably, the contact plate (11) is placed at a level below that of the resistor (5) and surrounded by an insulating jacket of increasing thickness towards the plate, so that the thickness of insulating material with respect to adjacent grounded or chassis connection elements, such as an attachment flange or screw bushing (17) is increased.

REFERENCES:
patent: 2593205 (1952-04-01), Short et al.
patent: 2688714 (1954-09-01), Buchmann
patent: 2790020 (1957-04-01), Redick et al.
patent: 3132219 (1964-05-01), Kohler
patent: 4456900 (1984-06-01), Toyoshima et al.

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