IT8919482A0 - APPARATUS FOR FLAGTING PROPELLER OR FAN. - Google Patents

APPARATUS FOR FLAGTING PROPELLER OR FAN.

Info

Publication number: IT8919482A0
Authority: IT; Italy
Prior art keywords: flagting; propeller; fan; flagting propeller
Prior art date: 1988-05-20

Application number

IT8919482A

Other languages

Italian (it)

Other versions

IT1231537B (en

Inventor

Jan Christopher Schilling

Arthur Paul Adamson

Julius Bathori

Neil Walker

Original Assignee

Gen Electric

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.)

1988-05-20

Filing date

1989-02-17

Publication date

1989-02-17

1988-05-20 Priority claimed from US07/196,888 external-priority patent/US4913623A/en

1989-02-17 Application filed by Gen Electric filed Critical Gen Electric

1989-02-17 Publication of IT8919482A0 publication Critical patent/IT8919482A0/en

1991-12-17 Application granted granted Critical

1991-12-17 Publication of IT1231537B publication Critical patent/IT1231537B/en

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
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/34—Blade pitch-changing mechanisms mechanical automatic
- B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Transmission Devices (AREA)
Turbine Rotor Nozzle Sealing (AREA)

IT8919482A 1988-05-20 1989-02-17 APPARATUS FOR FLAGING OF PROPELLER OR FAN. IT1231537B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/196,888 US4913623A (en)	1985-11-12	1988-05-20	Propeller/fan-pitch feathering apparatus

Publications (2)

Publication Number	Publication Date
IT8919482A0 true IT8919482A0 (en)	1989-02-17
IT1231537B IT1231537B (en)	1991-12-17

Family

ID=22727161

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT8919482A IT1231537B (en)	1988-05-20	1989-02-17	APPARATUS FOR FLAGING OF PROPELLER OR FAN.

Country Status (5)

Country	Link
JP (1)	JPH01314696A (en)
DE (1)	DE3906814A1 (en)
FR (1)	FR2631603A1 (en)
GB (1)	GB2218747B (en)
IT (1)	IT1231537B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9114894D0 (en) *	1991-07-10	1991-08-28	Dowty Aerospace Gloucester	A pitch control mechanism
FR2928977B1 (en) *	2008-03-21	2010-04-09	Snecma	SYSTEM FOR CONTRAROTATIVE PROPELLERS HAVING A DEVICE FOR FLAPPING PROPELLER BLADES
FR2937678B1 (en) *	2008-10-23	2013-11-22	Snecma	DEVICE FOR CONTROLLING THE ORIENTATION OF BLOWER BLADES OF A TURBOPROPULSEUR
FR2956854B1 (en)	2010-03-01	2012-08-17	Snecma	DEVICE FOR CONTROLLING THE ORIENTATION OF BLOWER BLADES OF A COUNTERPROOF TURBOPROPULSOR.
FR2965021B1 (en) *	2010-09-22	2015-04-03	Snecma	HYDRAULIC CYLINDER FOR A SYSTEM FOR CONTROLLING THE ORIENTATION OF BLOWER BLADES OF A TURBOPROPULSER.
FR2967397B1 (en) *	2010-11-16	2012-11-16	Snecma	DEVICE FOR PASSING A REVERSE PROPELLER COMPRISING A ACTUATOR ACTING ON A MANETON
FR3009710B1 (en) *	2013-08-14	2017-04-14	Snecma	ROTOR FOR TURBOMACHINE PROPELLER WITH DEVICE FOR FLAGING PROPELLER BLADES
US9527579B2 (en)	2013-10-25	2016-12-27	Hamilton Sundstrand Corporation	Pivoting blade counterweight
US9869190B2 (en)	2014-05-30	2018-01-16	General Electric Company	Variable-pitch rotor with remote counterweights
CA2891864A1 (en) *	2014-05-30	2015-11-30	Daniel Alan NIERGARTH	Variable-pitch rotor with remote counterweights
US10072510B2 (en)	2014-11-21	2018-09-11	General Electric Company	Variable pitch fan for gas turbine engine and method of assembling the same
US10100653B2 (en)	2015-10-08	2018-10-16	General Electric Company	Variable pitch fan blade retention system
US11505306B2 (en)	2021-04-05	2022-11-22	General Electric Company	Variable pitch fan assembly with remote counterweights
US11674435B2 (en)	2021-06-29	2023-06-13	General Electric Company	Levered counterweight feathering system
US11795964B2 (en)	2021-07-16	2023-10-24	General Electric Company	Levered counterweight feathering system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB293307A (en) *	1927-07-02	1929-12-30	Robert Richard Gobereau	Propellers with automatically variable pitch
US2306096A (en) *	1938-11-05	1942-12-22	Edwin W Vose	Aircraft propeller
NL8303401A (en) *	1982-11-01	1984-06-01	Gen Electric	DRIVE TURBINE FOR OPPOSITE ROTATING PROPELLERS.
US4657484A (en) *	1984-09-04	1987-04-14	General Electric Company	Blade pitch varying means
US4621978A (en) *	1984-12-03	1986-11-11	General Electric Company	Counterrotating power turbine
CA1262409A (en) *	1985-05-01	1989-10-24	Kenneth Odell Johnson	Counter rotation power turbine
GB2182727B (en) *	1985-11-12	1989-09-27	Gen Electric	Propeller/fan pitch feathering apparatus
US4772180A (en) *	1986-08-29	1988-09-20	General Electric Company	Aircraft thrust control

1989
- 1989-02-03 GB GB8902397A patent/GB2218747B/en not_active Expired - Fee Related
- 1989-02-13 JP JP1031283A patent/JPH01314696A/en active Pending
- 1989-02-15 FR FR8901959A patent/FR2631603A1/en active Pending
- 1989-02-17 IT IT8919482A patent/IT1231537B/en active
- 1989-03-03 DE DE3906814A patent/DE3906814A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
DE3906814A1 (en)	1989-11-30
JPH01314696A (en)	1989-12-19
FR2631603A1 (en)	1989-11-24
IT1231537B (en)	1991-12-17
GB2218747A (en)	1989-11-22
GB8902397D0 (en)	1989-03-22
GB2218747B (en)	1993-01-27

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19940224