Electrorheological automatic clutch for automobile

Abstract

The invention discloses a novel automobile electro-rheological automatic clutch. The novel automobile electro-rheological automatic clutch comprises an electro-rheological fluid transmission device, a power supply device and a planetary gear set, wherein the electro-rheological fluid transmission device is used for controlling engagement and disengagement of a clutch, the power supply device is used for supply power to electro-rheological fluid, and the planetary gear set is used for distributing the input power of an engine into two portions and decreasing the transmitting torque required by the electro-rheological fluid transmission device. Power between the engine and a speed changer is transmitted or broken off by using the combination mode of the electro-rheological fluid transmission device and the planetary gear set. Under the condition that normal starting, gear shifting and other operations of an automobile are achieved, the transmitting torque required by a driving mechanism and a driven mechanism of the electro-rheological fluid clutch and the electro-rheological fluid is decreased, the operating voltage of the electro-rheological fluid is lowered, the number of transmission blades of the driving mechanism and the number of transmission blades of the driven mechanism are decreased, and the weight of the clutch is lightened. The electro-rheological fluid clutch is redesigned, so that all components of the novel automobile electro-rheological clutch provided by the invention are reasonable and compact in arrangement.

Description

technical field [0001] The invention belongs to the field of automobile transmission, and in particular relates to an electrorheological automatic clutch for automobiles. Background technique [0002] In recent years, due to the superior characteristics that traditional friction clutches do not have, the research on the application of electrorheological fluid clutches in automobiles has attracted extensive attention. Electrorheological fluid is a kind of suspension under normal conditions, and it can undergo liquid-solid transition instantaneously under the action of an electric field. When the applied electric field strength is much lower than a certain critical value, the electrorheological fluid is liquid; when the electric field strength is much higher than this critical value, it becomes solid; near the critical value of the electric field strength, the viscosity of this suspension The hysteresis increases with increasing electric field strength. The clutch developed ...

AI Technical Summary

Problems solved by technology

However, to transmit the torque required for starting and shifting the car, the electrorheological fluid has a high working voltage, which reduces safety and causes large power loss, which is not conducive to energy saving; The difficulty is high, and the multi-plate structure of the master and slave transmission mechanisms will increase the difficulty of processing and prolong the processing cycle; inside the electrorheological fluid clutch with a multi-plate structure transmission mechanism, the transmission mechanism occupies most of the space, which is not conducive to the layout of other components. It is not conducive to the clutch to reduce the size and weight

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