公开(公告)号：US07043912B1

公开(公告)日：2006-05-16

申请号：US11025756

申请日：2004-12-27

申请人： Thomas D. Radcliff ,  Duane McCormick ,  William Bilbow, Jr.

发明人： Thomas D. Radcliff ,  Duane McCormick ,  William Bilbow, Jr.

IPC分类号： B60K6/04 ,  F02B35/00 ,  F01K13/02 ,  F01K21/06 ,  F01K19/00 ,  B01D19/00 ,  F01B31/00

CPC分类号： F02B35/00 ,  F01K23/065 ,  F01N5/02 ,  F01N2470/30 ,  F22B1/1807 ,  F22B37/025 ,  F23G5/46 ,  F23G5/48 ,  F28D21/0003 ,  F28F19/00 ,  Y02E20/363 ,  Y02P80/152 ,  Y02T10/146 ,  Y02T10/16

摘要： In a waste heat recovery system wherein a heat exchanger derives heat from an engine exhaust, a venturi is fluidly connected to an engine exhaust port so as to thereby increase the flow rate and reduce the pressure in a manifold which is fluidly connected between the venturis and the heat exchanger. A fan is provided downstream of the heat exchanger to draw hot gases from the manifold, through the heat exchanger and discharge it to ambient. But when the fan is not operating during periods in which the engine is operating, the lower pressure manifold will draw ambient air in through the fan and through the heat exchanger, with the ambient air then being entrained in the exhaust gases being discharged from an exhaust channel downstream of the venturi. In one embodiment, a plurality of heat sources are provided with each having its own venturi connected to the common low pressure manifold. One or more of the plurality of waste heat source may be nonoperative or operating at a lower speed, but because of the low pressure manifold, the hot gases from the operative/higher speed waste heat source will not flow to the nonoperative or slower running waste heat source. Check valves are provided to allow the discharge of hot gases to ambient from the exhaust channels but not allow the flow of ambient air into the exhaust channels. A bypass valve is provided to selectively allow for the flow of ambient air into the exhaust channel and into the manifold for purposes of dilution during periods in which the fan is in operation.

摘要翻译： 在热交换器从发动机排气中产生热量的废热回收系统中，文丘里管流体地连接到发动机排气口，从而增加流量并降低歧管中的压力，流体连接在通气管和 热交换器。 在热交换器的下游设置有风扇，以将来自歧管的热气体通过热交换器排放到环境中。 但是，当发动机工作期间风扇不工作时，低压歧管将通过风扇吸入环境空气并通过热交换器，随着环境空气被夹带在废气中，废气从废气排出 通道在文丘里管下游。 在一个实施例中，提供多个热源，每个热源具有连接到公共低压歧管的其自己的文丘里管。 多个废热源中的一个或多个可以是不操作的或以较低的速度操作，但是由于低压歧管，来自操作/高速废热源的热气体将不会流到非操作或较慢的运行废物 热源。 提供止回阀以允许从排气通道排出热气体到环境，但不允许环境空气流入排气通道。 提供旁通阀以选择性地允许环境空气流入排气通道并进入歧管以用于在风扇运行期间的稀释目的。