| US 7,367,219 B1 | ||
| Automatic control of leak test unit during testing and analysis of an engine | ||
| Brent C. Rankin, Marysville, Ohio (US) | ||
| Assigned to Honda Motor Co., Ltd., Tokyo (Japan) | ||
| Filed on Dec. 28, 2006, as Appl. No. 11/617,289. | ||
| Int. Cl. G01M 3/26 (2006.01); G01M 15/00 (2006.01) | ||
| U.S. Cl. 73—40 [73/49.7] | 10 Claims |
| 1. A leak tester development system for automatically developing and optimizing leak test programs for vehicle engines, comprising:
a leak tester that pressurizes the engine and measures a pressure change in the engine;
a digital valve that provides an adjustable leak orifice for the engine;
a digital valve controller that controls the digital valve;
a computer for inputting data into the system and providing instructions to the leak tester and the digital valve controller,
wherein said computer also records the pressure change and the inputted data; and
a main control unit that transmits and receives data to and from the leak tester, the digital valve controller, and the computer.
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