Fluid jack for a heat exchanger

Details Fluid jack for a heat exchanger Fluid jack for a heat exchanger

1991-10-08

1993-06-15

Kisliuk, Bruce M.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

414191, 414560, 29890031, 297265, B66F 324

Patent

active

052191508

ABSTRACT:
A heat exchanger has a duct with a tube assembly supported by a hanger that extends through an opening in the roof of the duct. A jack is provided to raise and lower the tube assembly during maintenance. The jack includes a base with an aperture therethrough and a pair of rollers attached to the underside of the base so that the jack can be moved across the roof. A pair of fluid operated cylinders are mounted on the base and project upward on opposite sides of the aperture. A jacking frame is attached to the other ends of both the cylinders and a rod extension passes through the base aperture for connecting the jacking frame to the hanger.

REFERENCES:
patent: 3519246 (1970-07-01), Belding
patent: 3785026 (1974-01-01), Ohmstede
patent: 3979816 (1976-09-01), Green
patent: 4685426 (1987-08-01), Kidaloski et al.

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