US3357178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator for turbine stator blades
Assignee: Bendix Corp
•
Filing: 1966-05-06
•
Granted: 1967-12-12
•
Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Meyers Robert Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:32
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02C9/20; F02C9/22; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F01D17/20; F01D17/22; F01D17/26; F02C3/00; F02C3/04; F02C3/10; F02C3/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A FLUID SERVO POWERED ACTUATOR COMPRISING: CASING MEANS DEFINING A CHAMBER; FLUID PRESSURE RESPONSIVE MEANS SLIDABLY CARRIED IN SAID CHAMBER AND RESPONSIVE TO A VARIABLE FLUID PRESSURE; VALVE MEANS FOR CONTROLLING SAID VARIABLE FLUID PRESSURE TO VARY THE POSITION OF SAID FLUID PRESSURE RESPONSIVE MEANS ACCORDINGLY; LEVER MEANS OPERATIVELY CONNECTED TO SAID VALVE MEANS FOR ACTUATING THE SAME; A MOVABLE CONTROL MEMBER; FIRST AND SECOND ROTATABLE CAM MEANS OPERATIVELY CONNECTED TO AND ACTUATED BY SAID MOVABLE CONTROL MEMBER; CAM FOLLOWER MEANS OPERATIVELY CONNECTED TO SAID LEVER MEANS AND ENGAGEABLE WITH SAID FIRST ROTATABLE CAM MEANS; RESILIENT MEANS OPERATIVELY CONNECTED TO SAID LEVER MEANS FOR LOADING THE SAME TO URGE SAID CAM FOLLOWER MEANS INTO ENGAGEMENT WITH SAID FIRST ROTATABLE CAM MEANS; FLUID PRESSURE RESPONSIVE MEANS RESPONSIVE TO SAID VARIABLE FLUID PRESSURE AND ENGAGEABLE WITH SAID SECOND ROTATABLE CAM MEANS FOR IMPOSING A FORCE LOAD THEREON WHICH VARIES AS A FUNCTION OF SAID VARIABLE FLUID PRESSURE; SAID FIRST AND SECOND CAM MEANS BEING CONTOURED IN REVERSE RELATIVE SENSES SO THAT THE TORQUE GENERATED ON SAID SECOND CAM MEANS ACTS IN OPPOSITION TO THE TORQUE GENERATED ON SAID FIRST CAM MEANS TO EFFECTIVELY NULLIFY THE LATTER TORQUE.
Claim 2
Dependent Claim
195 words
A FLUID SERVO POWERED ACTUATOR COMPRISING: CASING MEANS DEFINING A CHAMBER; FLUID PRESSURE RESPONSIVE MEANS SLIDABLY CARRIED IN SAID CHAMBER AND RESPONSIVE TO A VARIABLE FLUID PRESSURE; VALVE MEANS FOR CONTROLLING SAID VARIABLE FLUID PRESSURE TO VARY THE POSITION OF SAID FLUID PRESSURE RESPONSIVE MEANS ACCORDINGLY; LEVER MEANS OPERATIVELY CONNECTED TO SAID VALVE MEANS FOR ACTUATING THE SAME; A MOVABLE CONTROL MEMBER; FIRST AND SECOND ROTATABLE CAM MEANS OPERATIVELY CONNECTED TO AND ACTUATED BY SAID MOVABLE CONTROL MEMBER; CAM FOLLOWER MEANS OPERATIVELY CONNECTED TO SAID LEVER MEANS AND ENGAGEABLE WITH SAID FIRST ROTATABLE CAM MEANS; RESILIENT MEANS OPERATIVELY CONNECTED TO SAID LEVER MEANS FOR LOADING THE SAME TO URGE SAID CAM FOLLOWER MEANS INTO ENGAGEMENT WITH SAID FIRST ROTATABLE CAM MEANS; FLUID PRESSURE RESPONSIVE MEANS RESPONSIVE TO SAID VARIABLE FLUID PRESSURE AND ENGAGEABLE WITH SAID SECOND ROTATABLE CAM MEANS FOR IMPOSING A FORCE LOAD THEREON WHICH VARIES AS A FUNCTION OF SAID VARIABLE FLUID PRESSURE; SAID FIRST AND SECOND CAM MEANS BEING CONTOURED IN REVERSE RELATIVE SENSES SO THAT THE TORQUE GENERATED ON SAID SECOND CAM MEANS ACTS IN OPPOSITION TO THE TORQUE GENERATED ON SAID FIRST CAM MEANS TO EFFECTIVELY NULLIFY THE LATTER TORQUE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |