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1. 发明授权

US5182117A Heating and cooling unit 失效
标题翻译：加热和冷却单元
公开(公告)号：US5182117A
公开(公告)日：1993-01-26
申请号：US691077
申请日：1991-04-25
申请人： Koichi Ozawa , Hajime Abe , Yutaka Owashi
发明人： Koichi Ozawa , Hajime Abe , Yutaka Owashi
IPC分类号： B29C35/00
CPC分类号： B29C35/007 , Y10S425/11 , Y10S425/246
摘要： In a heating/cooling unit for selectively heating or cooling a set of dies, oil received in a reservoir is supplied to a flow direction changeover valve by a first oil pump. In a stably mode, oil is returned to the reservoir through the changeover valve and a heat exchanger. In a heating mode, the oil is supplied to a second oil pump from the changeover valve through a check valve. The second oil pump supplies the oil to an oil heater, and the heated oil is introduced into a fluid path formed in the dies to heat the dies. The oil discharged from the fluid path of the dies is returned to the second oil pump. Thus, the heated oil is circulated in a closed loop in the heating mode. In a cooling mode, new oil is supplied to the fluid path of the dies from the changeover valve and the oil discharged from the fluid path is guided to the heat exchanger through a switching valve and the cooling oil is returned to the reservoir.
摘要翻译：在用于选择性地加热或冷却一组模具的加热/冷却单元中，容纳在储存器中的油通过第一油泵供给流向切换阀。在稳定模式下，油通过切换阀和热交换器返回储存器。在加热模式中，通过止回阀将油从切换阀供给到第二油泵。第二油泵将油供给到油加热器，并且加热的油被引入形成在模具中的流体路径中以加热模具。从模具的流体路径排出的油返回到第二油泵。因此，加热的油在加热模式下以闭环循环。在冷却模式中，从转换阀向模具的流体路径供给新的油，从流体路径排出的油通过切换阀被引导到热交换器，冷却油返回到储存器。

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