AIR-INTAKE CHAMBER BYPASS VALVE OF GAS-TURBINE ENGINE Russian patent published in 2001 - IPC

FIELD: air intake systems of gas-turbine engines. SUBSTANCE: bypass valve designed for opening in case air cleaner is clogged has body, inlet pipe, support, disk, , and at least one lever with counterpoises. Valve disk is hinged to support through lever. The latter is double-arm lever each arm carrying counterpoise. Arms are hinged at certain angle relative to each other. Disk is provided with rollers and shaped rod. Rollers are mounted for engagement with body-mounted guides. Shaped rod is secured on disk for engaging end- position sensor. The latter is installed in inlet pipe. EFFECT: improved reliability of bypass valve. 2 dwg