Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1981-12-11
1984-05-15
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73 40, G01N 1908
Patent
active
044480806
ABSTRACT:
For the purpose of monitoring the formation and propagation of cracks in machine parts and components, especially in the rotating shafts of prime movers and mechanical equipment, at least one hole is drilled in the uncracked section of the component, this drilled hole intersecting the plane of the crack which is to be expected and being filled with a gas or a liquid, the gas or liquid being adjusted to a pressure above the ambient pressure, and the drilled hole being provided with a closure with respect to the environment and being connected, via a line, to an instrument for indicating a fall in the pressure of the medium present in the drilled hole.
REFERENCES:
patent: 2185315 (1940-01-01), Rogatchoff
patent: 3557620 (1971-01-01), Jewett et al.
patent: 4092696 (1978-05-01), Boesen et al.
patent: 4254415 (1981-03-01), Kaufman
Dressel Manfred
Greven Johannes
Jeck Arnulf
Magin Rudolf
Nick Guenther
BASF - Aktiengesellschaft
Myracle Jerry W.
LandOfFree
Process and apparatus for monitoring the formation and propagati does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process and apparatus for monitoring the formation and propagati, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process and apparatus for monitoring the formation and propagati will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-838458