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Peristaltic pump

A peristaltic pump and pump head technology, applied in the direction of pumps, pump components, pump control, etc., can solve the problems of complex leak detectors, expensive pump head replacement, excessive fluid accumulation, etc.

Active Publication Date: 2016-02-10
WATSON MARLOW
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the use of a normally closed valve, which must be opened when a leak is detected, means that failure to open the valve may result in excessive fluid build-up within the housing
[0006] Furthermore, known leak detectors are complex, which makes replacement of the pump head in which the leak detector is arranged extremely expensive

Method used

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Examples

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Embodiment Construction

[0025] figure 1 with figure 2 A pump head 2 for use in a peristaltic pump is shown. The pump head 2 comprises a housing 4 having a substantially cylindrical outer wall 6 closed at opposite ends by end caps 8, 10, wherein any or all of the end caps 8, 10 may be provided by suitable Made of thermoplastic material. The outer wall 6 and / or one or both end caps can be made by moulding. The end caps 8 , 10 may be spin welded or ultrasonically riveted to the outer wall 6 to form the sealed housing 4 . The cylindrical outer wall 6 of the housing 4 defines the pump head axis. The end cover 10 includes a positioning recess 11, the drive unit 1 (in Image 6 (shown in the middle part) is positioned in the recess 11 to ensure that the pump head 2 is arranged relative to the drive unit 1 in one of a plurality of predetermined directions.

[0026] Such as figure 2 As shown, the housing 4 is divided into a pumping chamber 16 and an auxiliary chamber 18 by a substantially cylindrical ...

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Abstract

A peristaltic pump, comprising a drive unit (1) and a pump head (2) comprising a pressing piece (48). The pump head (2) is connected to the drive unit (1) such that when it is connected, the pressing member (48) can be driven by the drive unit (1) to exert a peristaltic action on the pump head ( 2) On the pipe fitting (52) inside. The pump head also comprises an optical sensor comprising a transmitter (110) and a receiver (112) mounted on the drive unit (1) and a reflector element mounted on the pump head (2) (53). The reflector element (53) is arranged on the pump head (2) such that when the pump head (2) is connected to the drive unit (1), the radiation emitted by the emitter (110) passes through the reflector element (53) ) is reflected towards the receiver (112).

Description

technical field [0001] The invention relates to a peristaltic pump and its pump head. Background technique [0002] Peristaltic pumps are often used in applications where it is undesirable for the pumped fluid to contact the pump components. For example, peristaltic pumps are often used to pump sterile or corrosive fluids where contact of the fluid with internal pump components would potentially contaminate the fluid or damage the pump. Therefore, peristaltic pumps are commonly used in the beverage industry, where aseptic pumping processes are necessary, and in the aggregate industry, where slurries containing abrasive particles need to be conveyed. [0003] A peristaltic pump generally includes a pump casing, wherein a pipe extends through the pump casing, and a pusher, which is arranged in the pump casing for exerting a peristaltic action on the pipe. The press typically has one or more rollers or "squeegees" that move along the tubing to apply the peristaltic action. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B43/12F04B43/00
CPCF04B43/12F04B2207/70F04B53/16F04B2201/0803F04B43/009F04B43/1238G01F23/2922F04B43/0081F04B49/10
Inventor 奥利弗·沃伦
Owner WATSON MARLOW
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