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US 5,311,933 AGranted
Connection of tank to core for heat exchanger
OwnerLanny R. Leeinventor
Life of this patent
Estimating the term…
Abstract
The heat exchanger comprises a core of tubes engaged into header plates with a groove and an upstanding wall about the periphery. The upstanding wall has spaced of set tabs or dogs in openings which engage a shoulder along the rim of the tank. Also included is a tool to bias the dog for tank removal.
Claims10
A heat exchanger having a stiff shear over compression connection for securing a tank to a header plate and a separation tool to effect release of said tank from said header plate, said heat exchanger comprising:
- the tank having a peripheral flange with a top shoulder and a bottom rim;
- the header plate having an open ended peripheral groove with a bottom, a location shoulder and an upstanding wall extending about the agroove;
- the upstanding wall having a plurality of apertures spaced longitudinally thereon, each aperture including a spring dog having an offset with an edge portion, said offset being directed downwardly and inwardly toward said groove;
- a gasket disposed in said groove bottom and enclosed by said tank bottom rim;
- whereby an interference fit between said tank top shoulder and said spring dog provides a clamped connection between the tank and header plate.
2 more elements
Dependencies are inferred from the claim text.