Electronic actuator

A technology of electronic actuators and shells, which is applied in the field of electronic actuators, can solve problems such as easy loosening and poor fit, and achieve the effects of light weight, easy assembly and debugging, and high durability

Active Publication Date: 2019-09-06
FAIST EMISSION CONTROLS SUZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at the deficiencies in the prior art, the object of the present invention is to provide an electronic actuator, which has a compact structure, is easy to assemble and debug, greatly reduces the maintenance cost in the later period, and has high durability at the same time, which can meet the needs of electronic actuators. The actuator has

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[0057]The present invention will be further described in detail below in conjunction with the accompanying drawings, and the foregoing and other objects, features, aspects and advantages of the present invention will become more apparent, so that those skilled in the art can implement them with reference to the description. In the drawings, the shapes and dimensions may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to refer to the same or like parts. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the size from top to bottom, "width" corresponds to the size from left to right, and "depth" corresponds to the size from front to back. These relative terms are for convenience of description and are generally not intended ...

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Abstract

The invention discloses an electronic actuator. The electronic actuator comprises a lower shell and an upper shell, wherein an opening is formed in the top of the lower shell; the shape and the size of the upper shell are matched with the top of the opening of the lower shell, so that seal is formed when the upper shell and the lower shell are combined; the upper shell and the lower shell are combined to form a containing cavity located in the upper shell and the lower shell; a gear transmission mechanism is arranged in the containing cavity; a to-be-sealed cavity communicating the inside andoutside of the upper shell is arranged on the upper shell; and a sealing structure is arranged in the to-be-sealed cavity. The electronic actuator is compact in structure, and convenient in assemblingand debugging; later maintenance cost is greatly reduced, and durability is relatively higher; and high sealing requirements of the electronic actuator in a severe working environment for a long timeare met. In addition, the device is light in weight; installation stability of motors is improved; meanwhile, integrated multi-elastic-piece design is adopted, and problems that a traditional split type damping elastic piece is poor in matching performance and prone to loosening and the like are avoided; and damping effect is greatly improved.

Description

technical field [0001] The invention relates to the field of electronic actuators, in particular to an electronic actuator. Background technique [0002] Existing turbochargers usually use pneumatic actuators to ensure that the engine gets sufficient air supply in the low and medium speed range, so that it can adapt to the fuel supply increased by the turbocharger in the combustion chamber, Increase low-speed torque, improve fuel combustion utilization, and exhaust in high-speed range to avoid supercharger rotor overspeed or supercharged pressure, which will cause excessive combustion pressure in the cylinder and aggravate the mechanical load of the engine. That is to say, the turbocharger uses exhaust and purge valves, the focus is to improve the low-speed torque characteristics of the engine, while taking into account the performance indicators and reliability of the engine when it is running at high speed. [0003] The opening and closing of the pneumatic actuator is con...

Claims

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Application Information

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IPC IPC(8): F02B37/18F16K31/04H02K5/24H02K7/116
CPCF02B37/186F16K31/047H02K5/24H02K7/116Y02T10/12
Inventor 钱玉荣蔡帮和
Owner FAIST EMISSION CONTROLS SUZHOU
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