Measuring and testing – Moisture content or absorption characteristic of material
Patent
1975-08-22
1977-04-19
Queisser, Richard C.
Measuring and testing
Moisture content or absorption characteristic of material
G01H 1100
Patent
active
040180832
ABSTRACT:
A vibration detection probe holder for use in measuring the vibration of a shaft employed in rotating machinery such as turbines or generators comprises a stationary probe housing fixed to a bearing bracket or other suitable stationary member. Upon initial assembly, the housing is accurately positioned in close proximity to the shaft. This probe housing is provided with stop means which determine the exact location of a vibration detection probe when such a probe is inserted in the housing, thereby obviating any risk of contacting the rotating shaft with the probe should such an insertion be required while the shaft is rotating. The stop means also ensure that any replacement probe will be located the same distance from the rotating shaft as the probe initially provided in the holder thereby ensuring continuing accurate readings obtained from any such replacement probes. A flexible cable, or a series of sleeves positioned within the housing, provide a means for maintaining the probe in position within the housing. Sealing means disposed at the radially inner end of the housing prevent the splashing of lubricating oil and any contaminants entrained therein from the rotating shaft into the probe holder. The close proximity of the radially inner end of the housing to the shaft reduces the risk of lubricating oil from the shaft splashing into the housing if the probe is removed from the holder.
REFERENCES:
patent: 2596048 (1952-05-01), Severs
patent: 2764020 (1956-09-01), Gadd
patent: 3089333 (1963-05-01), Kleesattel
patent: 3776027 (1973-12-01), Campbell
patent: 3835696 (1974-09-01), Amberger et al.
patent: 3859847 (1975-01-01), Ronemus
Ahern John F.
General Electric Company
Kreitman Stephen A.
Mitchell James W.
Queisser Richard C.
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