Cylinder-type heat exchanger
AssigneeToyo Radiator Co., Ltd.
InventorKimiaki Nakano
Life of this patent
Estimating the term…
Abstract
A cylinder-type heat exchanger comprises one or more cells 3 spirally wound between an inner cylinder 1 and an outer cylinder 2 which are concentrically arranged. Each cell 3 includes a first plate 4 and a second plate 5 in pairs which are in contact with each other. The first and second plates each have a multiplicity of inlets 6 and outlets 7 arranged in parallel at opposed ends in the axial direction, with communication portions 9 being disposed between the inlets 6 and between the outlets 7. A first flow passage 10 for communication of a first fluid 10a is formed on the confronting sides of the first plate 4 and the second plate 5, whilst a second flow passage 11 for communication of a second fluid 11a is formed on the non-confronting sides thereof.
Claims9
A cylinder-type heat exchanger comprising:
- an inner cylinder and an outer cylinder which are concentrically arranged;
- and
- one or more cells disposed between said inner and outer cylinders and spirally wound therebetween;
- said one or more cells each including a first plate and a second plate in pairs which are in contact with each other;
- wherein said first and second plates in pairs are each provided with a plurality of circumferentially spaced apart inlets and outlets at opposed ends in the axial direction of said inner cylinder, said plurality of inlets lying within recessed portions formed oppositely in said first and second plates such that said plurality of inlets register with one another and that said plurality of outlets register with one another;
- wherein communication portions are arranged between circumferentially adjoining inlets and between circumferentially adjoining outlets of said first plate and said second plate;
- wherein said first and second plates in pairs are provided on their confronting sides with a first flow passage for communication of a first fluid extending in said axial direction, said first and second plates in pairs being provided on their non-confronting sides with a second flow passage for communication of a second fluid extending from said inlets to said outlets in said axial direction;
- and
- wherein said second plate of one of radially adjoining cells and said first plate of the other of said radially adjoining cells are in contact with each other at their opposed edges in said axial direction, said recessed portions of said first and second plates confronting each other to form small tank portions for outflow and inflow of said second fluid.
The cylinder-type heat exchanger according to any one of the preceding claims, wherein said one or more cells are joined at their ends in the winding direction to the periphery of said inner cylinder in a circumferentially spaced apart relationship.
The cylinder-type heat exchanger according to any one of the preceding claims, wherein said first and second plates in pairs of each of said one or more cells form corrugations between said inlets and said outlets such that their ridges incline relative to said axis and that the ridges of corrugation of said first plate intersect the ridges of corrugation of said second plate.
The cylinder-type heat exchanger according to any one of the preceding claims, wherein said first and second plates in pairs form semi-corrugations at said communication portions such that their ridges incline relative to said axis and that the ridges of said semi-corrugation of said first plate intersect the ridges of said semi-corrugation of said second plate.
Dependencies are inferred from the claim text.