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Rotary vane electronic air pump

An air pump and electronic technology, applied in the direction of rotary piston pumps, pumps, pump components, etc., can solve the problems of small air extraction flow and low air extraction efficiency

Pending Publication Date: 2019-10-22
CHONGQING TECH & BUSINESS UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The application provides a rotary vane electronic air pump to solve the problems of low air flow and low air extraction efficiency of the air pump in the prior art

Method used

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  • Rotary vane electronic air pump
  • Rotary vane electronic air pump
  • Rotary vane electronic air pump

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Embodiment Construction

[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0055] Rotary vane electronic air pumps are widely used in automotive brake vacuum booster systems and environmental monitoring air extraction and sampling. At present, most of the rotary vane electronic pumps have an eccentric pump body structure. However, due to the eccentricity of the rotor of the eccentric rotary vane electronic air pump relative to the stator, the rotor generates eccentric force when it rotates at high speed inside...

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Abstract

The invention discloses a rotary vane electronic air pump. The rotary vane electronic air pump comprises a pump body, a connecting base and a motor. The pump body comprises an upper sealing cover, anupper cover plate, a stator, a rotor shaft, a lower cover plate and a lower sealing cover. A plurality of rotary vane grooves uniformly distributed along the circumference are formed in the rotor shaft. Rotary vanes are arranged in the rotary vane grooves. The rotor shaft is concentrically arranged in an elliptical cavity of the stator. Gaps between the stator and the rotor shaft form two sectionsof symmetrical pump chambers. An air inlet hole, a non-through air intake slot and through air inlet holes which are sequentially communicated are formed in the stator. Two upper air inlets in the upper cover plate and two lower air inlets in the lower cover plate are communicated with the pump chambers to form four intake air flow passages. An air outlet hole, a non-through air outlet slot and through air outlet holes which are sequentially communicated are formed in the stator, and two upper air outlets in the upper cover plate and two lower air outlets in the lower cover plate are communicated with the pump chambers to form four outlet air flow passages. The rotary vane electronic air pump aims to solve the problems of small pumping flow and low efficiency of an existing air pump.

Description

technical field [0001] This application relates to an electronic air pump, in particular to a rotary vane electronic air pump. Background technique [0002] Rotary vane electronic air pumps are widely used in automotive brake vacuum booster systems and environmental monitoring air extraction and sampling. At present, most of the rotary vane electronic pumps have an eccentric pump body structure. However, due to the eccentricity of the rotor of the eccentric rotary vane electronic air pump relative to the stator, the rotor generates eccentric force when it rotates at high speed inside the stator, and the eccentric force increases the vibration of the rotor, which in turn intensifies the friction and heat between the rotor and the stator. As a result, the energy consumption of the rotary vane electronic air pump increases, the efficiency decreases and the life span decreases. [0003] In response to this problem, compared with the eccentric rotary vane electronic air pump, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/344F04C27/00F04C29/00
CPCF04C18/3447F04C27/00F04C29/00F04C2240/20
Inventor 杨洪王晶晶杜力谭伟张彧杨恒兆
Owner CHONGQING TECH & BUSINESS UNIV
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