Radiant energy – Invisible radiant energy responsive electric signalling – With means to inspect passive solid objects
Patent
1979-12-17
1982-03-23
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
With means to inspect passive solid objects
250357, G01N 2300, G01F 2300
Patent
active
043214690
ABSTRACT:
A nucleonic gauge (10) is disclosed for effectively assessing the amount of lubricating fluid in a hinge joint (12) having an elongate reservoir (23) without disassembly of the joint. The gauge includes a disc-type radiation source (54) at one end of the joint for emitting radiation cooperatively with respect to the lubricant reservoir and providing a substantially collimated beam pattern (60), and a detector element (64) in the path of the pattern at the other end of the joint for measuring the radiation activity.
REFERENCES:
patent: 2748290 (1956-05-01), Reichertz
patent: 2843755 (1958-07-01), Staker et al.
patent: 2978581 (1961-04-01), Wehrli
patent: 2984352 (1961-05-01), Gilman
patent: 3007048 (1961-10-01), Knapp et al.
patent: 3185843 (1965-05-01), Hansen
patent: 3818232 (1974-06-01), Kirkpatrick
patent: 3944830 (1976-03-01), Dissing
Evans William P.
Kline Jan C.
Caterpillar Tractor Co.
Howell Janice A.
Lanchantin, Jr. Charles E.
Smith Alfred E.
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