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Patent Searching and Data


Title:
ELECTRONIC INJECTION THROTTLE VALVE
Document Type and Number:
WIPO Patent Application WO/2019/134109
Kind Code:
A1
Abstract:
Provided is an electronic injection throttle valve, comprising a body (1), a throttle shaft (3) mounted on the body, an ECU board (7) and a motor (11). The ECU board (7) is arranged in an accommodating chamber of the body (1). An intake air temperature sensor (2) is installed at an intake end of a throat tube of the body (1), and the intake air temperature sensor (2) is connected to the ECU board (7). The throttle shaft (3) passes through the throat tube, and a lower end of the throttle shaft (3) is provided with a magnet rocker arm (4). A Hall sensor (6) is arranged on the ECU board (7). A chip sensing center of the Hall sensor (6) is coaxially arranged with a magnet (5) of the magnet rocker arm (4) and has a gap. The ECU board (7) is further provided with an annular groove (8). A motor rocker arm (9) is connected to a shaft of the motor (11), and the magnet rocker arm (4) is connected to the motor rocker arm (9) through the annular groove (8). The electronic injection throttle has a compact structure and a reasonable layout, which satisfies the durability requirements of the general-purpose engine electronic injection system and reduces engine emissions.

Inventors:
LIANG, Shijin (No.32 Xinghuo Industrial Zone, Fuding, Fujian 0, 355200, CN)
Application Number:
CN2018/071512
Publication Date:
July 11, 2019
Filing Date:
January 05, 2018
Export Citation:
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Assignee:
HUAYI MECHANICAL AND ELECTRICAL CO., LTD. (No.32 Xinghuo Industrial Zone, Fuding, Fujian 0, 355200, CN)
International Classes:
F02D9/10; F02D13/02; F02M35/10
Foreign References:
CN206816367U2017-12-29
CN105370415A2016-03-02
CN102322357A2012-01-18
EP0575971A11993-12-29
JPH01248010A1989-10-03
Attorney, Agent or Firm:
LECOME INTELLECTUAL PROPERTY AGENT LTD. (Floor 16, Tower B of IN.DO Mansion No.48-Jia Zhichun Road Haidian District, Beijing 8, 100098, CN)
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