US 5422553
SERVO ACTUATOR DIAGNOSTIC MONITORING
Assignee
UNITED TECHNOLOGIES CORPORATION, A CORP OF DEL
Filed
Dec 4, 1984
Granted
Jun 6, 1995
Location
STRATFORD CT US
Abstract
The output response of a pilot valve controlled servo 10 is monitored by a computer 20 using a transducer 16 on the main control valve 12 and a transducer 11 on the servo output 10a. The response is compared by determining the predicted output response and response time from a mathematical model for the servo, and if the response or response time is incorrect, a warning indication is provided.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Feb 4, 1986
Rescinded
Nov 17, 1994
Duration
8 years, 9 months
Inventor
- 1RODERICK MAC LENNAN
Record Details
- Patent number
- US 5422553
- Application
- 06678135
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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UNITED TECHNOLOGIES CORPORATION, A CORP OF DELBack to patent indexSource: USPTO 35 USC §181 secrecy order records