Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1981-02-17
1983-07-19
Scott, Samuel
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 76, 73 405R, 73 498, 414728, F28F 1100
Patent
active
043939201
ABSTRACT:
In a vertical type heat exchanger including a water chamber delimited by a drum end plate and a header plate on which a large number of heat transfer tubes are arrayed, a novel manipulator for working in the heat exchanger is provided such that a support frame is disposed within the water chamber, a base end portion of a freely extensible and contractible main arm which is rotatable about its base end portion and vertically swingable about a fulcrum at its base end portion, is mounted on the support frame, a base end portion of a sub-arm which is rotatable about its base end portion and vertically swingable about a fulcrum at its base end portion and also which can be positioned in parallel to the header plate, is mounted at the tip end portion of the main arm, a vertically movable clamp shaft which can be inserted into the heat transfer tube is provided coaxially with the rotational axis of the sub-arm, and a position detector for detecting the position of the clamp shaft so as to assist in positioning the clamp shaft so as to become coaxial with the heat transfer tube, is provided on the clamp shaft.
REFERENCES:
patent: 3934731 (1976-01-01), Muller et al.
patent: 3954136 (1976-05-01), Gugel
patent: 3964293 (1976-06-01), Faure et al.
patent: 4004698 (1977-01-01), Gebelin
patent: 4148403 (1979-04-01), Riffe
patent: 4188167 (1980-02-01), Abell
patent: 4231419 (1980-11-01), Gugel
patent: 4287655 (1981-09-01), Gerkey et al.
patent: 4302146 (1981-11-01), Finlayson et al.
Igarashi Taenji
Kihara Shiso
Mangetsu Kenji
Omichi Takeo
Shima Michitsune
Focarino Margaret A.
Kyushu Electric Power Co., Inc.
Mitsubishi Jukogyo Kabushiki Kaisha
Scott Samuel
Shikoku Electric Power Co., Inc.
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