F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
257/7
F28D 19/00 (2006.01) F28D 19/04 (2006.01)
Patent
CA 1187477
ABSTRACT OF THE DISCLOSURE A rotary heat recovery device, comprising a heat recovery wheel formed of spiral wound layers of at least one strip osysthetic organic plastic material and spacing means between the layers forming gas passages therebetween, in which the wheel has reinforcing means provided by narrow portions extending radially in which the layers of the strip have been adhered together. Also disclosed is a method of providing reinforcement to a rotary heat recovery device formed of a spiral winding of at least one strip of thermoplastic material, comprising applying to the strip a heated member to form a radial fused portion.
414676
Airxchange Inc.
Swabey Ogilvy Renault
LandOfFree
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