| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a control device for a variable flow rate water pump, controlling a flow rate of cooling water, in view of influence on the flow rate of the cooling water by opening of a thermostat. <P>SOLUTION: In the control device for a variable flow rate water pump, cooling water of the engine is circulated through the thermostat, and a thermostat valve opening calculation means and a flow rate variable water pump control means are provided. The thermostat valve opening calculation means calculates valve opening of the thermostat based on the water temperature of the cooling water in the thermostat. The flow rate variable water pump control means controls the flow rate variable water pump based on the valve opening of the thermostat. The flow rate of the cooling water is thereby adjusted to implement a required flow rate according to a pressure loss of the cooling water by opening/closing of the valve of the thermostat. <P>COPYRIGHT: (C)2009,JPO&INPIT |
