Heat exchange – With impeller or conveyor moving exchange material – Mechanical gas pump
Patent
1993-06-30
1995-05-23
Hepperle, Stephen M.
Heat exchange
With impeller or conveyor moving exchange material
Mechanical gas pump
165145, 165150, F28F 1300
Patent
active
054172799
ABSTRACT:
The present invention includes fins that are juxtaposed at narrow intervals. One side of the fins serves as an upstream side, and the other side thereof serves as a downstream side. Heat exchange air passes through the fins. A bent portion is provided at a substantially middle portion of the fins in the longitudinal direction of the fins, and the fins are bent at the bent portion at a predetermined angle. Heat exchange pipes are provided to penetrate the fins and are arranged in an upstream-side front row and a downstream-side rear row. U-bend portions are provided to connect end portions of adjacent heat exchange pipes. Passageways for guiding a heat exchange medium are formed by the heat exchange pipes and U-bend portions. The passageways introduce the heat exchange medium from a flow introducing unit provided on the upstream side, guide the heat exchange medium from the upstream side to the downstream side at the bent portion, guide the heat exchange medium again to the upstream side, and discharge the heat exchange medium from a flow discharging unit provided on the downstream side.
REFERENCES:
patent: 4089368 (1978-05-01), Bell et al.
patent: 4135282 (1979-01-01), Neff et al.
patent: 4434843 (1984-03-01), Alford
patent: 4831844 (1989-05-01), Kadle
patent: 5174366 (1992-12-01), Nagakura et al.
patent: 5211219 (1993-05-01), Kawabata et al.
Hepperle Stephen M.
Kabushiki Kaisha Toshiba
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