Pneumatic-hydraulic brake system for vehicles
First Claim
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1. In a pneumatic-hydraulic brake system for vehicles having hydraulic wheel cylinders and a foot-operated brake valve, the improvement comprising:
- at least one pneumatic-hydraulic pressure modulator connected to the hydraulic wheel cylinders and to the brake valve, said brake valve controlling the application of operating air to the pressure modulator;
at least one multiple-way air valve connecting the pressure modulator to the brake valve; and
at least one hydraulic valve connecting the pressure modulator to the wheel cylinders, wherein the pressure modulator, the air valve and the hydraulic valve serve as an anti-lock device.
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Abstract
A pneumatic-hydraulic brake system for vehicles having at least one pressure modulator used to supply a group of hydraulic wheel cylinders in combination with an anti-locking device. The pressure modulator is included in both the pneumatic and the hydraulic circuits of the system. For effecting anti-locking pressure modulation, at least one multiple-position air valve is included in the pneumatic circuit and at least one hydraulic valve in the hydraulic circuit.
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Citations
10 Claims
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1. In a pneumatic-hydraulic brake system for vehicles having hydraulic wheel cylinders and a foot-operated brake valve, the improvement comprising:
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at least one pneumatic-hydraulic pressure modulator connected to the hydraulic wheel cylinders and to the brake valve, said brake valve controlling the application of operating air to the pressure modulator; at least one multiple-way air valve connecting the pressure modulator to the brake valve; and at least one hydraulic valve connecting the pressure modulator to the wheel cylinders, wherein the pressure modulator, the air valve and the hydraulic valve serve as an anti-lock device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification