Measuring and testing – Blower – pump – and hydraulic equipment
Patent
1985-08-07
1987-05-19
Myracle, Jerry W.
Measuring and testing
Blower, pump, and hydraulic equipment
73 37, 73119A, G01M 1900
Patent
active
046657428
ABSTRACT:
A method for determining the closing point of a pump piston relative to a transverse bore in a corresponding pump cylinder, the method including the steps of providing compressed air to the cylinder via the transverse bore, axially sliding the pump piston near the closing point, consecutively measuring two flow values through a throttle cross-section defined by the pump piston and transverse bore, measuring the positions of the piston corresponding to the two flow values and extrapolating the pump piston unto the closing point from the flow values and piston positions.
REFERENCES:
patent: 2979945 (1961-04-01), Tibbetts
Abt Jurgen
Bollhagen Heins
Handtmann Dieter
Kuhn Ulrich
Stumpf Sybille
Myracle Jerry W.
Robert & Bosch GmbH
Striker Michael J.
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