Hydraulic ram stroke monitoring apparatus

Details Hydraulic ram stroke monitoring apparatus Hydraulic ram stroke monitoring apparatus

1985-12-10

1987-07-14

Yasich, Daniel M.

Measuring and testing

Blower, pump, and hydraulic equipment

92 5R, F15B 2104, G01M 1900

Patent

active

046794298

ABSTRACT:
Apparatus for monitoring the working stroke of a hydraulic ram 1 includes an indicator 3 having a housing 24 containing a tubular measuring chamber 25 connected to the hydraulic ram by a hydraulic line 2. The tubular measuring chamber is transparent on at least one side for the observation of the level of hydraulic fluid contained therein. The lower end of the tubular measuring chamber is connected to the hydraulic line leading to the hydraulic ram. The upper end of the tubular measuring chamber is closed by an air-permeable but dust-impermeable member 28.

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patent: 4171211 (1979-10-01), Carter
patent: 4181017 (1980-01-01), Markle
patent: 4423664 (1984-01-01), Buchl
patent: 4557179 (1985-12-01), Takeuchi et al.

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