Fluid-pressure and analogous brake systems – Speed-controlled – With yaw control
Patent
1997-12-02
2000-03-07
Dickson, Paul N.
Fluid-pressure and analogous brake systems
Speed-controlled
With yaw control
303140, 3031132, 3031163, 180305, B60T 834, B60T 840, B60K 1700
Patent
active
060330406
ABSTRACT:
A left hydraulic pump 3L connected to a left wheel and a right hydraulic pump 3R connected to a right wheel are interconnected by a first oil passage 21 and a second oil passage 22 to constitute a closed circuit. First and second variable throttle valves 8L and 8R are mounted between the first and second oil passages 21 and 22 and a tank 6. A first on-off valve 11L is disposed between two working chambers 9L.sub.2 and 9L.sub.3 of the left hydraulic pump 3L and the second oil passage 22, and a second on-off valve 11R is disposed between two working chambers 9R.sub.2 and 9R.sub.3 of the right hydraulic pump 3R and the first oil passage 21. For example, if the first variable throttle valve 8L is throttled, the pressure in the first oil passage 21 is risen to open the first on-off valve 11L, thereby increasing the amount of oil discharged from the first hydraulic pump 3L. As a result, the first and second hydraulic pumps 3L and 3R generate a braking force and a driving force respectively to generate a yaw moment in a rightward turning direction.
REFERENCES:
patent: 3443656 (1969-05-01), Stolz
patent: 3509721 (1970-05-01), Crawford
patent: 4883141 (1989-11-01), Walker
patent: 5101925 (1992-04-01), Walker
patent: 5685386 (1997-11-01), Kondo et al.
Inagaki Hiromi
Shibue Hideaki
Dickson Paul N.
Honda Giken Kogyo Kabushiki Kaisha
Woller Jeffrey
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