IL72461A - Increases helicopter load factor - Google Patents

Increases helicopter load factor

Info

Publication number: IL72461A
Authority: IL; Israel
Prior art keywords: rotor; rotor speed; signal; load; load factor
Prior art date: 1983-08-01

Application number

IL7246184A

Other languages

English (en)

Hebrew (he)

Original Assignee

United Technologies 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.)

1983-08-01

Filing date

1984-07-20

Publication date

1996-10-16

1984-07-20 Application filed by United Technologies Corp filed Critical United Technologies Corp

1996-10-16 Publication of IL72461A publication Critical patent/IL72461A/en

Links

239000003623 enhancer Substances 0.000 title description 3
239000000446 fuel Substances 0.000 claims description 20
230000001965 increasing effect Effects 0.000 claims description 17
230000002708 enhancing effect Effects 0.000 claims description 10
230000003750 conditioning effect Effects 0.000 claims description 7
230000001143 conditioned effect Effects 0.000 claims description 4
239000007789 gas Substances 0.000 description 6
RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 4
238000007493 shaping process Methods 0.000 description 4
230000008859 change Effects 0.000 description 3
230000001133 acceleration Effects 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
230000004044 response Effects 0.000 description 2
230000001052 transient effect Effects 0.000 description 2
101100529492 Mus musculus Rptor gene Proteins 0.000 description 1
238000007792 addition Methods 0.000 description 1
230000003416 augmentation Effects 0.000 description 1
229910000078 germane Inorganic materials 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000005381 potential energy Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1

Classifications

- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
- G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
- G05D1/0858—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft specially adapted for vertical take-off of aircraft
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/16—Controlling the angular speed of one shaft

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Automation & Control Theory (AREA)
Control Of Turbines (AREA)
Controls For Constant Speed Travelling (AREA)
Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Fuel-Injection Apparatus (AREA)
Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

IL7246184A 1983-08-01 1984-07-20 Increases helicopter load factor IL72461A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US51933283A	1983-08-01	1983-08-01

Publications (1)

Publication Number	Publication Date
IL72461A true IL72461A (en)	1996-10-16

Family

ID=24067852

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL7246184A IL72461A (en)	1983-08-01	1984-07-20	Increases helicopter load factor

Country Status (7)

Country	Link
JP (1)	JPH0733159B2 (fr)
CA (1)	CA1246717A (fr)
DE (1)	DE3428224C2 (fr)
FR (1)	FR2550161B1 (fr)
GB (1)	GB2144244B (fr)
IL (1)	IL72461A (fr)
IT (1)	IT1174616B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8807676D0 (en) *	1988-03-31	1988-05-05	Westland Helicopters	Helicopter control systems
US4998202A (en) *	1989-05-19	1991-03-05	United Technologies Corporation	Helicopter, high rotor load speed enhancement
US5314147A (en) *	1991-08-27	1994-05-24	United Technologies Corporation	Helicopter engine speed enhancement during heavy rotor load and rapid descent rate maneuvering
US5265826A (en) *	1991-08-27	1993-11-30	United Technologies Corporation	Helicopter engine control having lateral cyclic pitch anticipation
US5265825A (en) *	1991-08-27	1993-11-30	United Technologies Corporation	Helicopter engine control having yaw input anticipation
FR3000465B1 (fr)	2012-12-27	2015-02-13	Eurocopter France	Procede d'entrainement en rotation d'un rotor principal de giravion, selon une consigne de vitesse de rotation a valeur variable
FR3000466B1 (fr)	2012-12-27	2015-02-13	Eurocopter France	Procede d'entrainement en rotation d'un rotor de giravion, par anticipation des besoins en couple entre deux consignes de vitesse de rotation du rotor
US11347242B2 (en) *	2019-08-05	2022-05-31	The Boeing Company	Methods and apparatus for flight control prioritization

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2645293A (en) *	1946-09-14	1953-07-14	Gen Electric	Apparatus for regulating propulsion power plants
DE952404C (de) *	1953-05-18	1956-11-15	Bendix Aviat Corp	Selbsttaetige Steuerungsvorruchtung fuer Flugzeuge
US3174551A (en) *	1963-02-19	1965-03-23	United Aircraft Corp	Power management control for helicopters
US3200886A (en) *	1964-05-28	1965-08-17	Joseph L Magri	Droop compensated fuel control system
GB1120327A (en) *	1967-02-24	1968-07-17	Ltv Aerospace Corp	Autothrottle
GB1244160A (en) *	1967-11-17	1971-08-25	Dowty Rotol Ltd	Engine, propeller and rotor installations
US3930366A (en) *	1974-07-17	1976-01-06	General Motors Corporation	Helicopter power plant control
JPS5112012A (ja) *	1974-07-18	1976-01-30	Mitsubishi Heavy Ind Ltd	Gasutaabinnenshokino kaenkanshisochi
US4217754A (en) *	1977-01-22	1980-08-19	Bodenseewerk Geratetechnik Gmbh	Apparatus for controlling the rotary speed in turbo-jet engines for aircraft
US4127245A (en) *	1977-04-27	1978-11-28	United Technologies Corporation	Helicopter pitch rate feedback bias for pitch axis maneuvering stability and load feel
GB2052805B (en) *	1979-06-29	1983-03-09	Smiths Industries Ltd	Gas-turbine engine control
ZA814691B (en) *	1980-08-08	1983-02-23	Ass Eng Ltd	Automatic speed control systems
US4442667A (en) *	1981-01-14	1984-04-17	Aviation Electric Ltd.	Acceleration limit reset
US4423593A (en) *	1982-04-16	1984-01-03	Chandler Evans Inc.	Fuel control for controlling helicopter rotor/turbine acceleration

1984
- 1984-07-09 CA CA000458431A patent/CA1246717A/fr not_active Expired
- 1984-07-11 GB GB08417638A patent/GB2144244B/en not_active Expired
- 1984-07-19 JP JP59150471A patent/JPH0733159B2/ja not_active Expired - Fee Related
- 1984-07-20 IL IL7246184A patent/IL72461A/en not_active IP Right Cessation
- 1984-07-30 FR FR8412065A patent/FR2550161B1/fr not_active Expired
- 1984-07-30 IT IT22117/84A patent/IT1174616B/it active
- 1984-07-31 DE DE3428224A patent/DE3428224C2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB8417638D0 (en)	1984-08-15
GB2144244A (en)	1985-02-27
DE3428224A1 (de)	1985-02-14
FR2550161A1 (fr)	1985-02-08
DE3428224C2 (de)	2000-02-10
IT8422117A0 (it)	1984-07-30
JPH0733159B2 (ja)	1995-04-12
FR2550161B1 (fr)	1988-06-10
JPS6038297A (ja)	1985-02-27
GB2144244B (en)	1986-11-12
IT1174616B (it)	1987-07-01
CA1246717A (fr)	1988-12-13

Legal Events

Date	Code	Title
1997-03-18	FF	Patent granted
1997-08-14	KB	Patent renewed
1998-12-27	KB	Patent renewed
2003-04-10	MM9K	Patent not in force due to non-payment of renewal fees

Publication	Publication Date	Title
US5188511A (en)	1993-02-23	Helicopter anti-torque device direct pitch control
US4466526A (en)	1984-08-21	Helicopter engine control with rotor speed decay anticipator
US4168045A (en)	1979-09-18	Speed and collective pitch bias of helicopter longitudinal cyclic pitch
CA1202098A (fr)	1986-03-18	Regulateur d'admission du carburant pour commander les regimes moteurs du rotor et de la turbine d'un helicoptere
US4490793A (en)	1984-12-25	Cruise speed control for aircraft performance management system
EP0115401B1 (fr)	1989-12-13	Commande de vitesse pour un avion
US4493465A (en)	1985-01-15	Helicopter engine torque compensator
US4676460A (en)	1987-06-30	Longitudinal stability augmentation system and method
KR100235271B1 (ko)	1999-12-15	요우(yaw)입력 예측 기능을 가지는 헬리콥터
US4648569A (en)	1987-03-10	Airplane automatic control force trimming device for asymmetric engine failures
CA1246717A (fr)	1988-12-13	Rehausseur de facteur de charge pour aeronef a voilure tournante
CA1085368A (fr)	1980-09-09	Systeme de contre reaction pour la regulation de la vitesse angulaire de tangage d'un helicoptere en vue d'ameliorer la stabilite longitudinale de l'appareil ainsi que la sensation artificielle de la charge par le pilote
US4767085A (en)	1988-08-30	Synthetic speed stability flight control system
US3819135A (en)	1974-06-25	System for augmenting aircraft attitude stability using vertical vane type sensors
Jenkins	1970	Investigation of Level-Flight and Maneuvering Characteristics of a Hingeless-Rotor Compound Helicopter
Collinson BSc (Eng	1978	Fly‐By‐Wire Flight Control
Deal et al.	1970	Investigation of level-flight and maneuvering characteristics of a hingeless-rotor compound helicopter