Patent ID: 7971849
Filing Date: 2011-07-05
Classification: B01D,F02M

Abstract:
1. A recirculating valve, comprising: a fuel supplying passage in fluid communication with a fuel tank and an engine; a return passage in fluid communication with the engine and the fuel tank; a communication passage in fluid communication with the fuel supplying passage and the return passage; a temperature sensitive displacement portion that is provided in the fuel supplying passage; and an on-off valve that closes the communication passage when a fuel temperature in the fuel supplying passage is above a first prescribed temperature, and opens the communication passage when the fuel temperature in the fuel supplying passage is below a second prescribed temperature, in accordance with a displacement of the temperature sensitive displacement portion, wherein the fuel supplying passage and the communication passage are connected at a downstream side of the temperature sensitive displacement portion such that fuel supplied into the fuel supplying passage through the communication passage is supplied to the engine without contacting the temperature sensitive displacement portion.