Title:
DECELERATION BRAKE DEVICE
Document Type and Number:
Japanese Patent JPH01135930
Kind Code:
A
Abstract:
PURPOSE:To obtain braking force in accordance with an engine speed uninfluenced by a change of torque by connecting the impeller of an air compressor which decelerates the speed of the crankshaft to a subshaft of a gear-driven transmission connected through a clutch to the crankshaft of an internal combustion engine. CONSTITUTION:When an internal combustion engine 1 is rotated in its crankshaft 2, an impeller 7 is rotated via a clutch 3 and a subshaft 5. When the engine is in normal operation, a valve means 18 is positioned in a closing side by an air cylinder 20, throttling a delivery port 16 to its minimum area, and also force, for driving an air compressor 6, that is, deceleration brake power is generated to a minimum. However, when a deceleration brake is necessary, turning on a switching means 24 opening a solenoid valve 22, and when compressed air is supplied to the air cylinder 20, the impeller 7 performs work of compressor by suitably opening the delivery port 16 of the valve means 18. This work of energy consumption serves for the brake power decelerating a speed of the crankshaft 2. Here an angular speed is relaxed in its change in the crankshaft 2 and transmitted to an accelerating gear 11.
Inventors:
OKADA MASAKI
Application Number:
JP29063487A
Publication Date:
May 29, 1989
Filing Date:
November 19, 1987
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
B60T1/08; F02D29/02; F16D57/02; (IPC1-7): B60T1/08; F16D57/02
Attorney, Agent or Firm:
Nobuo Kinutani
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