GB2072271B - Ram air turbine blade pitch control mechanism - Google Patents

Ram air turbine blade pitch control mechanism

Info

Publication number
GB2072271B
GB2072271B GB8008771A GB8008771A GB2072271B GB 2072271 B GB2072271 B GB 2072271B GB 8008771 A GB8008771 A GB 8008771A GB 8008771 A GB8008771 A GB 8008771A GB 2072271 B GB2072271 B GB 2072271B
Authority
GB
United Kingdom
Prior art keywords
control mechanism
turbine blade
pitch control
air turbine
blade pitch
Prior art date
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
GB8008771A
Other versions
GB2072271A (en
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.)
Sundstrand Corp
Original Assignee
Sundstrand Corp
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.)
Filing date
Publication date
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Priority to GB8008771A priority Critical patent/GB2072271B/en
Priority to FR8101830A priority patent/FR2478750A1/en
Priority to JP3883581A priority patent/JPS56146019A/en
Publication of GB2072271A publication Critical patent/GB2072271A/en
Application granted granted Critical
Publication of GB2072271B publication Critical patent/GB2072271B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D41/00—Power installations for auxiliary purposes
    • B64D41/007—Ram air turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/30—Application in turbines
    • F05B2220/31—Application in turbines in ram-air turbines ("RATS")
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/75—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism not using auxiliary power sources, e.g. servos
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/77—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by centrifugal forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
GB8008771A 1980-03-21 1980-03-21 Ram air turbine blade pitch control mechanism Expired GB2072271B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8008771A GB2072271B (en) 1980-03-21 1980-03-21 Ram air turbine blade pitch control mechanism
FR8101830A FR2478750A1 (en) 1980-03-21 1981-01-30 MECHANISM FOR CONTROLLING THE FLAT PITCH OF AERODYNAMIC AIR PRESSURE TURBINE
JP3883581A JPS56146019A (en) 1980-03-21 1981-03-19 Ram air turbine controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8008771A GB2072271B (en) 1980-03-21 1980-03-21 Ram air turbine blade pitch control mechanism

Publications (2)

Publication Number Publication Date
GB2072271A GB2072271A (en) 1981-09-30
GB2072271B true GB2072271B (en) 1983-03-23

Family

ID=10512114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8008771A Expired GB2072271B (en) 1980-03-21 1980-03-21 Ram air turbine blade pitch control mechanism

Country Status (3)

Country Link
JP (1) JPS56146019A (en)
FR (1) FR2478750A1 (en)
GB (1) GB2072271B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE891429A (en) * 1981-12-10 1982-03-31 Hayen Jos DEVICE FOR ORIENTING THE WICKS OF A WINDMILL.
IT1219726B (en) * 1988-06-15 1990-05-24 Fimac Spa HIGH PERFORMANCE TURBINE, IN PARTICULAR FOR THE EXPLOITATION OF WIND ENERGY FOR AUXILIARY ENERGY SOURCES IN AERONAUTICAL USES
US7296970B2 (en) * 2005-06-08 2007-11-20 Hamilton Sundstrand Corporation Ram air turbine speed sensing ball detent over-speed prevention mechanism
NZ555848A (en) * 2007-06-12 2010-04-30 Storm Rider Holdings Ltd Improved wind generator
US9045983B2 (en) 2010-10-19 2015-06-02 Hamilton Sundstrand Corporation Turbine yokeplate flyweights to improve RAT startup
US8920119B2 (en) 2010-11-01 2014-12-30 Hamilton Sundstrand Corporation Partial coarse pitch start Ram Air Turbine with enhanced spring support
US8413924B2 (en) 2010-11-03 2013-04-09 Hamilton Sundstrand Corporation Motor assisted fine pitch startup Ram Air Turbine
US8876474B2 (en) 2010-11-04 2014-11-04 Hamilton Sundstrand Corporation Ram air turbine startup
US20120328436A1 (en) * 2011-06-24 2012-12-27 Soidel William E Electromechanical actuator driven governor for ram air turbine
GB2497126B (en) * 2011-12-01 2014-04-02 Hamilton Sundstrand Corp Partial coarse pitch start ram air turbine with enhanced spring support
CN113844663A (en) * 2021-11-02 2021-12-28 中国商用飞机有限责任公司 Ram air turbine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874787A (en) * 1956-03-05 1959-02-24 Gen Motors Corp Air driven power unit
FR1456712A (en) * 1965-08-18 1966-07-08 Dowty Rotol Ltd wind turbine for airplanes or similar vehicles
FR90006E (en) * 1965-09-07 1967-09-29 Dowty Rotol Ltd Advanced wind motors

Also Published As

Publication number Publication date
JPS6411806B2 (en) 1989-02-27
FR2478750A1 (en) 1981-09-25
GB2072271A (en) 1981-09-30
FR2478750B1 (en) 1985-01-25
JPS56146019A (en) 1981-11-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee