Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1982-05-28
1985-01-01
Richter, Sheldon J.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 30, 165 48R, 165 80R, 165 86, 219218, 269 21, 354154, 354208, F28F 500
Patent
active
044911734
ABSTRACT:
An improved device for supporting and holding an object in place under temperature controlled conditions is described. The device comprises a shaft mounted for rotation about a rotation axis, and a top plate coupled to and rotatable with the shaft. The top plate comprises a top substantially planar surface disposed normally to said axis, a bottom surface disposed opposite the top surface, and at least one aperture disposed in the top surface for providing a negative pressure vacuum so that the object can be held in place on the top surface by the negative pressure vacuum. Electrical temperature sensing means is disposed in the top plate for providing an electrical signal as a function of the temperature of the top plate. Electrical temperature modification means is coupled to and rotatable with the shaft and disposed relative to the bottom surface of the top plate for maintaining the temperature of the top plate at a preselected temperature. Heat sink means is coupled to and rotatable with the shaft and disposed relative to the temperature modification means for drawing excess heat from the temperature modification means away from the top plate. Finally, the table comprises a plurality of electrically-conductive brushes mounted in a spaced-apart relation, and a plurality of electrically-conductive rings concentrically mounted with respect to the axis. Each ring is mounted in a plane normal to the axis and is in electrical contact with and rotatably movable with respect to at least one of the brushes as the table turns about the axis, wherein at least two of the rings are electrically coupled to the electrical temperature sensing means so that the electrical signal can be transmitted from the table, and at least two of the rings are electrically coupled to the electrical temperature modification means so that electrical power can be transmitted to those means.
REFERENCES:
patent: 3383918 (1968-05-01), Cumbers et al.
patent: 3768551 (1973-10-01), Wiley et al.
patent: 4139051 (1979-02-01), Jones et al.
patent: 4253515 (1981-03-01), Swiatosz
patent: 4403567 (1983-09-01), da Costa et al.
Richter Sheldon J.
Temptronic Corporation
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