BR9106298A - Helice com pas de passo variavel - Google Patents

Helice com pas de passo variavel

Info

Publication number: BR9106298A
Authority: BR; Brazil
Prior art keywords: steppads; helice; variable; variable steppads
Prior art date: 1990-03-30

Application number

BR919106298A

Other languages

English (en)

Inventor

Ferdinand Dr Lutz

Original Assignee

Ferdinand Dr Lutz

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.)

1990-03-30

Filing date

1991-04-01

Publication date

1993-04-13

1990-03-30 Priority claimed from DE4010211A external-priority patent/DE4010211A1/de

1991-04-01 Application filed by Ferdinand Dr Lutz filed Critical Ferdinand Dr Lutz

1993-04-13 Publication of BR9106298A publication Critical patent/BR9106298A/pt

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- 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

Landscapes

Engineering & Computer Science (AREA)
Aviation & Aerospace Engineering (AREA)
Mechanical Engineering (AREA)
Toys (AREA)
Wind Motors (AREA)
Vibration Dampers (AREA)

BR919106298A 1990-03-30 1991-04-01 Helice com pas de passo variavel BR9106298A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4010211A DE4010211A1 (de)	1989-12-27	1990-03-30	Propeller mit verwindbaren blaettern
PCT/EP1991/000612 WO1991015399A1 (de)	1990-03-30	1991-04-01	Propeller mit verwindbaren blättern

Publications (1)

Publication Number	Publication Date
BR9106298A true BR9106298A (pt)	1993-04-13

Family

ID=6403389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR919106298A BR9106298A (pt)	1990-03-30	1991-04-01	Helice com pas de passo variavel

Country Status (7)

Country	Link
US (1)	US5284419A (pt)
EP (1)	EP0522035B1 (pt)
JP (1)	JP3150693B2 (pt)
BR (1)	BR9106298A (pt)
DE (1)	DE59103180D1 (pt)
DK (1)	DK0522035T3 (pt)
WO (1)	WO1991015399A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9701793D0 (en) *	1997-01-29	1997-03-19	Gay Geoffrey N W	Means for inputting characters or commands into a computer
RU2301911C2 (ru) *	2001-07-11	2007-06-27	Хюдра Тидаль Энерджи Текнолоджи Ас	Электростанция, генератор и элемент пропеллера для получения энергии с использованием потока воды
US7517198B2 (en)	2006-03-20	2009-04-14	Modular Wind Energy, Inc.	Lightweight composite truss wind turbine blade
US8128020B2 (en) *	2008-04-22	2012-03-06	The Boeing Company	Active twisting of an aircraft lifting surface via modulated clamping of substructure
GB2464678B (en) *	2008-10-21	2013-04-10	David Hostettler Wain	Dual swash plates
US9446843B2 (en)	2012-03-27	2016-09-20	The Boeing Company	Enhanced performance rotorcraft rotor blade
DK2716907T3 (en) *	2012-10-05	2015-08-31	Alstom Renewable Technologies	Wind turbine blade and methods for its operation
US9487291B2 (en) *	2012-12-05	2016-11-08	The Boeing Company	Apparatus, system, and method for pitching and twisting a blade of a rotorcraft
US9533754B2 (en)	2014-04-19	2017-01-03	The Boeing Company	Wing aerial refueling system
HU231244B1 (hu) *	2020-01-10	2022-05-28	László Kruppa	Javított tulajdonságú légcsavar légi járművekhez

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR752142A (fr) *	1933-03-08	1933-09-16		Hélice à pas variable et constant
US2055928A (en) *	1934-10-08	1936-09-29	Russell R Hays	Rotating blade means for aircraft
US2244139A (en) *	1937-01-21	1941-06-03	Buckingham George Frederick	Propeller
US2369049A (en) *	1943-09-28	1945-02-06	Russell R Hays	Rotary wing aircraft
US2627928A (en) *	1945-04-30	1953-02-10	Alexander S Mullgardt	Propeller
GB606784A (en) *	1946-01-18	1948-08-19	Fairey Aviat Co Ltd	Improvements in or relating to rotary wings for aircraft
US2584663A (en) *	1946-06-27	1952-02-05	Gen Electric	Variable warp airfoil
US2978039A (en) *	1958-05-01	1961-04-04	Focke Henrich Carl Johann	Aircraft propellers for combined airplane-helicopter flying machines
US3096826A (en) *	1961-08-07	1963-07-09	Hughes Tool Co	Rotor blade for rotary-winged aircraft
US3227221A (en) *	1963-11-29	1966-01-04	You Pierre	Blade construction for helicopter
DE1281271B (de) *	1964-11-23	1968-10-24	Hugo T Grut	Luftschraube mit verstellbarer Blattverwindung
US3637168A (en) *	1970-02-11	1972-01-25	Ryan Aeronautical Co	Flexible blade retractable rotor aircraft
DE2164648A1 (de) *	1971-12-24	1973-06-28	Ver Flugtechnische Werke	Blattfluegel mit variabler verwindung fuer rotor- und luftschraubenblaetter
SU557300A1 (ru) *	1974-07-05	1977-05-05	Шосткинский Филиал Казанского Научно-Исследовательского Института Химических Продуктов	Способ измерени влажности волокнистых материалов
US4137010A (en) *	1977-07-25	1979-01-30	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	Constant lift rotor for a heavier than air craft
US4619585A (en) *	1983-07-28	1986-10-28	Joe Storm	Wind turbine apparatus

1991
- 1991-04-01 DE DE59103180T patent/DE59103180D1/de not_active Expired - Fee Related
- 1991-04-01 US US07/927,388 patent/US5284419A/en not_active Expired - Lifetime
- 1991-04-01 BR BR919106298A patent/BR9106298A/pt not_active IP Right Cessation
- 1991-04-01 JP JP50645691A patent/JP3150693B2/ja not_active Expired - Fee Related
- 1991-04-01 WO PCT/EP1991/000612 patent/WO1991015399A1/de not_active Ceased
- 1991-04-01 EP EP91907278A patent/EP0522035B1/de not_active Expired - Lifetime
- 1991-04-01 DK DK91907278.5T patent/DK0522035T3/da active

Also Published As

Publication number	Publication date
DE59103180D1 (de)	1994-11-10
US5284419A (en)	1994-02-08
EP0522035B1 (de)	1994-10-05
EP0522035A1 (de)	1993-01-13
WO1991015399A1 (de)	1991-10-17
DK0522035T3 (da)	1994-11-07
JPH05505578A (ja)	1993-08-19
JP3150693B2 (ja)	2001-03-26

Publication	Publication Date	Title
BR9107197A (pt)	1993-11-23	Absorvente feminino
FI925852L (fi)	1992-12-23	Aerosolkompositioner under tryck
FI925228L (fi)	1992-11-18	Oekad staerkelsehalt i vaexter
FI930506A0 (fi)	1993-02-05	Herbicidiska substituerade arylalkylsulfonylpyrazoler
FI914792A7 (fi)	1992-04-16	Jatkuvatoiminen puristin
FI931365L (fi)	1993-03-26	Polyhydroxifettsyraamider i polykarboxylatbaserade tvaettmedel
BR9106298A (pt)	1993-04-13	Helice com pas de passo variavel
KR910020241A (ko)	1991-12-19	전회전북
BR9106509A (pt)	1993-09-08	Absorvente feminino
FI910930A7 (fi)	1991-10-01	Jatkuvatoiminen puristin
FI930797L (fi)	1993-02-23	Insektbestaendig formkropp anvaendbar i lantbruksbyggnader
PT99900A (pt)	1994-01-31	Conjunto de dobradica desmontavel
FI924321L (fi)	1992-09-25	Besprutningsbara kompositioner foer anvaendning i jordbruk
EP0491206A3 (en)	1992-08-12	Adjustable pas assembly
FI913335A7 (fi)	1992-03-01	Alusta
DE4191995D2 (de)	1993-10-07	Steuerruder
FI924296L (fi)	1992-09-25	Rengoeringsprodukter i vaetskeform
FI925320A7 (fi)	1992-11-24	Saollningsanordning
DK164970C (da)	1993-02-15	Gear
KR920008841U (ko)	1992-06-16	책 장
KR910020431U (ko)	1991-12-20	정위치 정립기어
SE9000256D0 (sv)	1990-01-25	Kontinuerligt variabel transmission
KR920008027U (ko)	1992-05-19	가변 흡기 장치
FI902957A7 (fi)	1991-12-14	Portaaton mekaaninen vaihde
BR9001221A (pt)	1991-10-15	Gli-grade logistica de importancia

Legal Events

Date	Code	Title	Description
1996-02-21	FF	Decision: intention to grant
1996-10-29	FG	Letter patent granted
2010-07-06	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 01/04/2006