GB2168505B - Fluid-pressure-operable servo systems - Google Patents

Fluid-pressure-operable servo systems

Info

Publication number: GB2168505B
Authority: GB; United Kingdom
Prior art keywords: fluid; pressure; servo systems; operable servo; operable
Prior art date: 1984-12-07
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB08529476A

Other versions

GB2168505A (en

GB8529476D0 (en

Inventor

Michael Poucher

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dowty Rotol Ltd

Original Assignee

Dowty Rotol Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1984-12-07

Filing date

1985-11-29

Publication date

1988-07-27

1984-12-07 Priority claimed from GB848431030A external-priority patent/GB8431030D0/en

1985-11-29 Application filed by Dowty Rotol Ltd filed Critical Dowty Rotol Ltd

1985-11-29 Priority to GB08529476A priority Critical patent/GB2168505B/en

1986-01-08 Publication of GB8529476D0 publication Critical patent/GB8529476D0/en

1986-06-18 Publication of GB2168505A publication Critical patent/GB2168505A/en

1988-07-27 Application granted granted Critical

1988-07-27 Publication of GB2168505B publication Critical patent/GB2168505B/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic

Landscapes

Engineering & Computer Science (AREA)
Aviation & Aerospace Engineering (AREA)
Fluid-Pressure Circuits (AREA)

GB08529476A 1984-12-07 1985-11-29 Fluid-pressure-operable servo systems Expired GB2168505B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08529476A GB2168505B (en)	1984-12-07	1985-11-29	Fluid-pressure-operable servo systems

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB848431030A GB8431030D0 (en)	1984-12-07	1984-12-07	Fluid-pressure-operable servo systems
GB08529476A GB2168505B (en)	1984-12-07	1985-11-29	Fluid-pressure-operable servo systems

Publications (3)

Publication Number	Publication Date
GB8529476D0 GB8529476D0 (en)	1986-01-08
GB2168505A GB2168505A (en)	1986-06-18
GB2168505B true GB2168505B (en)	1988-07-27

Family

ID=26288546

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08529476A Expired GB2168505B (en)	1984-12-07	1985-11-29	Fluid-pressure-operable servo systems

Country Status (1)

Country	Link
GB (1)	GB2168505B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5836743A (en) *	1997-10-22	1998-11-17	United Technologies Corporation	Variable pitch counterweighted propeller system with releasable hydraulic pitchlock
GB9901852D0 (en)	1999-01-29	1999-03-17	Lucas Ind Plc	Sensor mounting arrangement

1985
- 1985-11-29 GB GB08529476A patent/GB2168505B/en not_active Expired

Also Published As

Publication number	Publication date
GB2168505A (en)	1986-06-18
GB8529476D0 (en)	1986-01-08

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Legal Events

Date	Code	Title	Description
1998-07-22	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19971129