| 摘要 |
Liquid friction heating apparatus includes a pump rotor and an impeller rotor in a liquid reservoir. As the pump and impeller are rotated they impart frictional heat to the liquid. Further, the pump at all times delivers liquid to the inlet of the impeller which impells the liquid through restricted orifices to further heat the liquid. The pump positively prevents cavitation and ensures a constant flow through the orifices.
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