Title:
METERING PUMP AND ITS DRVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2009/132494
Kind Code:
A1
Abstract:
A metering pump includes a pump sleeve (3) and a pump body (2) slidably mounted in the pump sleeve (3), a plunger (1) is arranged in the chamber of the pump body (2), a flow guiding hole communicated with the chamber is provided in the side wall of the pump body (2), and a liquid suction hole (9) and a liquid discharging hole (10) are provided in the pump sleeve (3), the openings of the liquid suction hole (9) and the liquid discharging hole (10) opened on the inner side of the pump sleeve (3) are on the sliding track of the opening of the flow guiding hole (11) opened on the pump body (2).
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Inventors:
LIN, Bo (Room 2, 1st Floor Unit 2,No. 14, Laobanbian Street, Jinjiang Distric, Chengdu Sichuan 6, 610016, CN)
林波 (中国四川省成都市锦江区老半边街14号2单元2楼2号, Sichuan 6, 610016, CN)
林波 (中国四川省成都市锦江区老半边街14号2单元2楼2号, Sichuan 6, 610016, CN)
Application Number:
CN2008/071796
Publication Date:
November 05, 2009
Filing Date:
July 29, 2008
Export Citation:
Assignee:
LIN, Bo (Room 2, 1st Floor Unit 2,No. 14, Laobanbian Street, Jinjiang Distric, Chengdu Sichuan 6, 610016, CN)
林波 (中国四川省成都市锦江区老半边街14号2单元2楼2号, Sichuan 6, 610016, CN)
林波 (中国四川省成都市锦江区老半边街14号2单元2楼2号, Sichuan 6, 610016, CN)
International Classes:
F04B13/00; F04B53/00; F04B53/14
Attorney, Agent or Firm:
CHENGDU JIUDINGTIANYUAN INTELLECTUAL PROPERTY AGENCY LTD. (Room 405, Human Art Wisdom Plaza 33 Ximianqiao Street, Wuhou Distric, Chengdu Sichuan 1, 610041, CN)
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