Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1997-02-11
1998-08-11
Ballato, Josie
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
1374522, 25112902, 25112915, F16K 3106, B60T 836
Patent
active
057917477
ABSTRACT:
A hydraulic valve control unit includes a valve body having an inner end, an outer end, and a fluid passageway. A housing has a bore which receives the inner end of the valve body. A sleeve has an open end which is placed over the outer end of the valve body. An armature is slideably mounted in the sleeve. A coil surrounds the sleeve for selectively moving the armature. A flux ring is disposed between the coil, housing and sleeve. The flux ring secures the sleeve to the valve body. The flux ring has a circumferential groove. A protrusion formed from the housing engages the groove to secure the flux ring, sleeve and valve body to the housing. A method of assembling the hydraulic control unit includes forming a bore in a housing, and inserting an inner end of a valve body into the bore. A sleeve is placed over an outer end of the valve body. A flux ring is pressed between the sleeve and the bore. The flux ring has a circumferential groove with an outer edge having a diameter which is larger than a diameter of the bore. The outer edge of the flux ring shears material from the housing around the bore to form a protrusion which engages the groove and secures the flux ring, sleeve and valve body to the housing. In another embodiment of the invention, a fastener secures at least the flux ring, sleeve and valve body to the housing.
REFERENCES:
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patent: 5102096 (1992-04-01), Siegel et al.
patent: 5145149 (1992-09-01), Moehle
patent: 5333836 (1994-08-01), Fukuyo et al.
patent: 5364067 (1994-11-01), Linkner, Jr.
patent: 5439279 (1995-08-01), Linkner, Jr. et al.
patent: 5542755 (1996-08-01), Staib et al.
Knight Gary R.
Sorensen Ronald L.
Ballato Josie
Kelsey-Hayes Company
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