F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/45
F04B 15/02 (2006.01) B28C 5/42 (2006.01) B28C 5/46 (2006.01) B60P 1/60 (2006.01) F04B 53/08 (2006.01)
Patent
CA 1106693
ABSTRACT OF THE DISCLOSURE: An improved concrete pumping apparatus, in particular of the truck-mounted type and adapted to operate at low en- vironmental temperatures. The 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 dis- posed 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.
303695
Robic Robic & Associes/associates
Worthington S.p.a.
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