Heating systems – Heat and power plants – Vehicle
Patent
1997-10-06
1998-12-01
Bennett, Henry A.
Heating systems
Heat and power plants
Vehicle
122 26, 126247, B60H 102
Patent
active
058426353
ABSTRACT:
An improved viscous fluid type heater is disclosed. The heater has a heating chamber that has a inner peripheral surface and a pair of inner side surfaces and a heat exchange chamber disposed adjacent to the heating chamber. The heating chamber houses a cylindrical rotor that has an outer peripheral surface and a pair of outer side surfaces. The outer peripheral surface is opposed to the inner peripheral surface by a first space. The outer side surface is opposed to an associated inner side surface by a second space that communicates the first space. The rotor rotates and shears viscous fluid to generate heat in the spaces. The heat generated in the spaces is transmitted to the heat exchange chamber to heat circulating fluid circulating in the heat exchange chamber and an external fluid circuit. The rotor has a storing chamber defined therein. A first passage connects the first space with the storing chamber to shift the viscous fluid from the storing chamber to the first space. A second passage connects the second space with the storing chamber to shift the viscous fluid from the second spaces to the storing chamber. A valve actuated in association with heat generating capacity of the rotor to adjust flow of the viscous fluid passing through the first passage.
REFERENCES:
patent: 4273075 (1981-06-01), Freihage
patent: 4277020 (1981-07-01), Grenier
patent: 4351426 (1982-09-01), Bopp
patent: 4454861 (1984-06-01), Greiner
patent: 5704320 (1998-01-01), Ban et al.
Ban Takashi
Okabe Takanori
Bennett Henry A.
Boles Derek S.
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
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