Heat exchanger
Patent 4660628 Issued on April 28, 1987. Estimated Expiration Date: 
March 20, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 20, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3923097 Rotary disc type heat exchanger Rotary drum heat exchanger Patent #: 4301860 InventorsAssigneeApplicationNo. 06/852948 filed on 03/20/1986US Classes:165/92, Hollow strirrer or scraper165/168, CONDUIT WITHIN, OR CONFORMING TO, PANEL OR WALL STRUCTURE165/86MOVABLE HEATING OR COOLING SURFACEExaminersPrimary: Davis, Albert W. Jr.Assistant: Smith, Leonard E. Attorney, Agent or FirmInternational ClassesF28D 11/00 (20060101)F28D 11/02 (20060101) F26B 17/20 (20060101) F26B 17/00 (20060101) F26B 3/00 (20060101) F26B 3/24 (20060101) AbstractA heat exchanger (10) for indirectly heating, drying and cooling materials comprises a hollow rotor (40) having an inlet (46) of heating and cooling medium and an outlet (47) of the medium or its condensate, a casing mounted on the hollow rotor, a plurality of disc-shaped base boards (20), a plurality of annular ducts (21, 23; 22, 24) projected from both side surfaces (11, 12) of the base boards (20), the duct forming a passage communicating with the inlet (46) and the outlet (47), arranged so as to be partly superposed sequentially on both front and back surfaces (11, 12) of the base board (20) from the inner peripheral edges to the outer peripheral edges of the base boards (20) in such a manner that partition plates for shielding the ducts (21, 23; 22, 24) being provided in the superposed positions. | |
