Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent
1978-05-10
1980-04-22
Schwadron, Martin P.
Fluid handling
With heating or cooling of the system
Circulating fluid in heat exchange relationship
1510406A, 222146H, 137334, F16K 4900
Patent
active
041990021
ABSTRACT:
This invention relates to an improved concrete pumping apparatus, in particular of the truck-mounted type and adapted to operate at low environmental temperatures.
Said apparatus comprises means which define an essentially closed circuit for circulation of the cooling air of the auxiliary engine controlling the pumping group in heat exchange contact with apparatus components disposed in separate bays to be maintained within well defined temperature ranges above the temperature of the environment, and means for independently adjusting and maintaining the air temperature in each bay. The engine exhaust gases are used to preheat the casting tube.
REFERENCES:
patent: 1433713 (1922-10-01), Fricker
patent: 2578080 (1951-12-01), Middlestadt
patent: 3106344 (1963-10-01), Band, Jr. et al.
patent: 3108012 (1963-10-01), Curtis
patent: 3279383 (1966-10-01), Smith
patent: 3394025 (1968-07-01), McCune
patent: 3570526 (1971-03-01), Fisco, Jr.
patent: 3714960 (1973-02-01), Yamada
patent: 3735769 (1973-05-01), Miller
Chambers A. Michael
Schwadron Martin P.
Worthington S.p.A.
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