Method and apparatus for heating a paving screed via liquid circ

Details Method and apparatus for heating a paving screed via liquid circ Method and apparatus for heating a paving screed via liquid circ

1990-09-04

1992-03-17

Britts, Ramon S.

Road structure, process, or apparatus

Apparatus

Screed or drag

16510419, 165108, E01C 1922, F28D 1500

Patent

active

050963317

ABSTRACT:
A paving machine screed is heated by pumping fluid from a reservoir tank mounted on the screed to a flow restrictor so that the fluid is heated by a pressure drop across the at the flow restrictor and returned to the tank for heat transfer to the screed.

REFERENCES:
patent: 3557672 (1971-01-01), Shurtz et al.
patent: 3602113 (1971-08-01), Davin et al.
patent: 4124352 (1978-11-01), Cutler
patent: 4319856 (1982-03-01), Jeppson
patent: 4407605 (1983-10-01), Wirtgen
patent: 4507015 (1985-03-01), Furukawa et al.
patent: 4714374 (1987-12-01), Mihara
patent: 4765772 (1988-08-01), Benedetti et al.
patent: 4818140 (1989-04-01), Carlson

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