| Patent Number |
Title Of Patent |
Date Issued |
| 7370612 |
Internal combustion engine cooling system |
May 13, 2008 |
| A check valve having a thermostat function is provided between an engine and a thermal storage tank that stores a portion of the coolant circulating in the engine. The check valve restricts the flow of the coolant from the engine to the thermal storage tank, and loosens the restricti |
| 6848298 |
Apparatus and method for failure diagnosis of fuel vapor purge system |
February 1, 2005 |
| A fuel vapor purge system includes a fuel tank, a canister, and an evaporation route, and purges fuel vapor collected in the canister into an intake passage of an internal combustion engine. A failure diagnosis apparatus of the fuel vapor purge system includes a controller having a p |
| 6698280 |
Failure test apparatus for fuel-vapor purging system |
March 2, 2004 |
| A failure test apparatus for a fuel-vapor purging system for adsorbing fuel vapor in a fuel tank into a canister and for purging fuel to an intake system of an internal combustion engine as needed. The purging system has at least one valve. A first test unit provides a differential press |
| 6564780 |
Diagnostic apparatus and method for fuel vapor purge system |
May 20, 2003 |
| In a diagnostic apparatus and method for a fuel vapor purge system in which fuel vapor generated in a fuel tank trapped in a chamber is purged into an intake passage of an internal combustion engine through a purge path, a first change in a pressure of the purge path is measured after cr |
| 6523398 |
Diagnosis apparatus for fuel vapor purge system |
February 25, 2003 |
| An improved diagnosis apparatus for detecting leakage of a fuel vapor purge system that purges fuel vapor from a fuel tank to an intake passage of an engine. The apparatus includes a pressure sensor and a purge valve. The pressure sensor detects the pressure in the purge system. The purg |
| 6487892 |
Fault detection apparatus and method for fuel vapor purge system |
December 3, 2002 |
| A test apparatus for a fuel vapor purge system that performs frequent tests. The testing apparatus detects leakage of fuel vapor from a system passage by sealing the system passage and monitoring changes in the pressure. After the test, the apparatus applies atmospheric pressure to t |
| 6188025 |
Heat-resisting metal-sheathed cable for sensor |
February 13, 2001 |
| A heat-resisting metal-sheathed cable for a sensor includes: an outer sheathing tube made of a heat-resisting metal; an inner sheathing tube made of a heat-resisting metal and disposed within the outer sheathing tube with a predetermined gap that includes an open ventilation passage |
