Detector for over-pressure inside a pipe and a pump fitted...

Details Detector for over-pressure inside a pipe and a pump fitted... Detector for over-pressure inside a pipe and a pump fitted...

G - Physics

01

L

G01L 7/02 (2006.01) A61M 5/168 (2006.01) H01H 35/24 (2006.01)

Patent

CA 2047562

- 1 - A DETECTOR FOR OVER-PRESSURE INSIDE A PIPE AND A PUMP FITTED WITH SUCH A DETECTOR ABSTRACT OF THE DISCLOSURE The invention concerns a simpler inexpensive and small detector, particularly for use in medical pumps, for detecting over-pressure in a pipe (1) and setting off an alarm when an over-pressure is detected. Such a detector for detecting over-pressure in a pipe (1) along which a fluid (3) flows, comprises : - means (5) for deriving a fraction of the flowing fluid (3) from the pipe (1); - at least one tube (7) wherein there is fitted at least one obturating member (9); and - means (11) for detecting the displacement of the obturating member (9) in the tube (7) and for generating a signal in response to detecting displacement of the obturating member (9). Figure 1A

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