Heat exchangers having a tube matrix in a housing

Details Heat exchangers having a tube matrix in a housing Heat exchangers having a tube matrix in a housing

1986-04-18

1987-07-14

Davis, Jr., Albert W.

Heat exchange

Expansion and contraction relieving or absorbing means

165159, F28D 706, F28F 922

Patent

active

046796193

ABSTRACT:
A heat exchanger comprising a plurality of spaced U-shaped tubes arranged in a matrix and disposed in a housing for the flow of hot gases around the tubes for heat exchange with a fluid conveyed in the tubes. The housing has a well surrounding the curved U-portions of the tubes of the matrix in spaced relation a shell is diposed between the wall and the curved U-portions of the tubes of the matrix. A flexible seal is mounted between the wall and the shell for preventing flow of hot gases therebetween, and at least one brush seal is mounted between the shell and the curved U-portions of the tubes of the matrix for blocking passage of hot gases therebetween. The brush seal comprises a plurality of bristles clamped at one end in a recess in the shell and fanning out towards the other free end to tangentially and sealingly contact the outermost row of the tubes of the matrix.

REFERENCES:
patent: 1884555 (1932-10-01), Brown
patent: 1943456 (1934-01-01), Potter
patent: 4036293 (1977-07-01), Tank et al.

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