Patent ID: 11953100
Assignee: ILLINOIS TOOL WORKS INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 9:
10. A rotary valve apparatus, comprising
a housing having at least two fluid connectors,
a valve device rotatable at least between a first valve position and a second valve position, and
a drive for rotating the valve device between the first valve position and the second valve position,
a fail-safe adjustment device for rotating the valve device from the first valve position into the second valve position in the event of an incident;
wherein the fail-safe adjustment device comprises a first gear driven by a second gear, the second gear is geared for rotation by the drive, wherein the first gear is configured such that, during operation of the fail-safe adjustment device, the first gear is initially rotated by the second gear to rotate the valve device toward the second valve position, and the first gear then separates from the second gear.