Apparatus and method for electronically controlled hydraulic act

Details Apparatus and method for electronically controlled hydraulic act Apparatus and method for electronically controlled hydraulic act

1994-10-07

1995-09-26

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031131, 137884, B60T 832

Patent

active

054529484

ABSTRACT:
An electronically controlled hydraulic unit (10) for use in an anti-lock braking system in an automobile and a method of assembling a coil mounting subassembly are disclosed. The coil mounting assembly includes a wiring or printed circuit board (48, 148, 248) on which toroidal coils (16) are mounted with traces leading to pin terminals (46, 146, 246) to attach this wiring or printed circuit board subassembly to an electronic control board (56). Coils are soldered to this board in a conventional offline soldering operation. The coil wiring or printed circuit board is mounted to a peripheral housing frame (34, 134) and a peripheral seal (42, 142) is located between the wiring or printed circuit board and the housing frame. The printed circuit board serves as a sealing bulkhead when mounted between the electronic control board and a hydraulic pump subassembly.

REFERENCES:
patent: 4697863 (1987-10-01), Galloway et al.
patent: 4785532 (1988-11-01), Galloway et al.
patent: 4842525 (1989-06-01), Galloway et al.
patent: 5374114 (1994-12-01), Burgdorf et al.
patent: 5407260 (1995-04-01), Isshiki et al.

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