Automotive suspension and pilot-operated type semi-active damper thereof
A semi-active and pilot-guided technology, applied in the field of transportation, can solve the problems that the suspension cannot meet the demand and the cost is high
Active Publication Date: 2018-10-19
CHONGQING UNIV
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Problems solved by technology
[0003] Based on this, it is necessary to provide an automobile suspension and its pilot semi-active damper for the problem that the traditional suspension cannot meet the demand or the cost is too high
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[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.
[0031] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected ...
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The invention discloses an automotive suspension and a pilot-operated type semi-active damper thereof. The pilot-operated type semi-active damper comprises a cylinder body, a piston component and a solenoid valve assembly; the cylinder body comprises a working cavity, a middle cavity and an oil storing cavity, the middle cavity is located between the working cavity and the oil storing cavity, andthe side wall of the working cavity is provided with a communicating hole communicating with the middle cavity; the piston component comprises a piston rod and a piston assembly, the piston assembly is slidably arranged in the working cavity, the piston rod penetrates through the cylinder body to be connected with the piston assembly, and the piston assembly partitions the working cavity into a rod cavity and a rodless cavity and is provided with a connecting hole used for enabling the rod cavity and the rodless cavity to communicate with each other; the solenoid valve assembly is connected with the cylinder body and comprises an inner cavity and an outer cavity which communicate with each other through a throttling hole, the inner cavity of the solenoid valve assembly communicates with the middle cavity, and the outer cavity of the solenoid valve assembly communicates with the oil storing cavity. According to the damper, the damping coefficient can be dynamically adjusted, and therefore the automotive suspension can generate the excellent adaptability to the complex and changeable pavement condition.
Description
technical field [0001] The invention relates to the technical field of transportation, in particular to an automobile suspension and a pilot semi-active damper thereof. Background technique [0002] With the continuous development of society, people have higher and higher requirements for the comfort and operation stability of automobiles. The suspension of the car has a great influence on the comfort and operation stability of the car. Car suspensions are generally divided into passive suspensions and active suspensions. Due to the relatively fixed damping force of passive suspensions, the shock absorption capacity of the suspensions is weak and cannot meet people's needs. However, the cost of active suspension is too high, and ordinary users cannot afford the high cost. Contents of the invention [0003] Based on this, it is necessary to provide an automobile suspension and its pilot semi-active damper for the problem that the traditional suspension cannot meet the dem...
Claims
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Login to View More IPC IPC(8): F16F9/18F16F9/34F16F9/50
CPCF16F9/18F16F9/34F16F9/50
Inventor 郑玲吴行邓杰余颖弘梁艺潇杨威
Owner CHONGQING UNIV