GB358789A - Improvements in driving mechanism for aircraft propellers - Google Patents
Improvements in driving mechanism for aircraft propellersInfo
- Publication number
- GB358789A GB358789A GB36318/30A GB3631830A GB358789A GB 358789 A GB358789 A GB 358789A GB 36318/30 A GB36318/30 A GB 36318/30A GB 3631830 A GB3631830 A GB 3631830A GB 358789 A GB358789 A GB 358789A
- Authority
- GB
- United Kingdom
- Prior art keywords
- torque
- propeller
- engine
- clutch
- plate
- 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
Links
- 230000005540 biological transmission Effects 0.000 abstract 4
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
- B64D35/02—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions specially adapted for specific power plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/64—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts
- F16D3/66—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts the elements being metallic, e.g. in the form of coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
- F16F15/13121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by clutch arrangements, e.g. for activation; integrated with clutch members, e.g. pressure member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
358,789. Shock absorbing transmission. JUNKERS, H., 21, Kaiserplatz, Dessau, Anhalt, Germany. Dec. 2, 1930, No. 36318. Convention date, Dec. 14, 1929. [Class 80 (ii).] Mechanism for transmission of energy from engines or motors with periodically fluctuating torque, to aircraft propellers, includes an elastic member interposed in the revolving transmission mechanism and so dimensioned as to prevent resonance of the specific frequency of the revolving parts during fluctuations in the engine torque in the range of higher engine speeds, and a clutch in the transmission mechanism, in series with the elastic member, said clutch having a slip torquespeed characteristic which follows approximately the same law as the torque-absorbed-speed characteristic of the propeller. In one form, the elastic member takes the form of a long shaft 2, Figs. 1 and 2, of low natural period of oscillation. The clutch consists of cross-arms 11 mounted rigidly on the engine shaft 10 and carrying radially displaceable bobs 12 exposed to the action of centrifugal force and which are provided with frictional facings 13 bearing against a clutch plate 14 mounted on the shaft 2. Weak springs 15 produce an auxiliary initial pressure between the friction surfaces. In a modification, the propeller is mounted on the engine shaft 20, Figs. 3 and 4, which carries centrifugal bobs 23 having frictional facings 27. The drive is transmitted from the engine to the propeller through the bobs 23 engaging a torque plate 28 and through the intermediary of springs 33 situated between projections on the torque plate 28 and a plate 32 secured to the propeller.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE358789X | 1929-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB358789A true GB358789A (en) | 1931-10-15 |
Family
ID=6290931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB36318/30A Expired GB358789A (en) | 1929-12-14 | 1930-12-02 | Improvements in driving mechanism for aircraft propellers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB358789A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398684A (en) * | 1981-04-08 | 1983-08-16 | Redro, Inc. | Connecting apparatus for a powerplant |
DE4406662A1 (en) * | 1994-03-01 | 1995-09-07 | Alfred Mueller | Propeller drive clutch for gliders |
EP2390184A1 (en) | 2010-05-31 | 2011-11-30 | Eurocopter | Aircraft powerplant, aircraft and method for using a piston engine in a powerplant provided with a conventional transmission unit |
CN106553761A (en) * | 2015-09-30 | 2017-04-05 | Brp传动系有限两合公司 | Aircraft propeller drive system |
CN113911377A (en) * | 2021-11-12 | 2022-01-11 | 北京航空航天大学 | Power transmission device of oil-driven ducted aircraft |
-
1930
- 1930-12-02 GB GB36318/30A patent/GB358789A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398684A (en) * | 1981-04-08 | 1983-08-16 | Redro, Inc. | Connecting apparatus for a powerplant |
DE4406662A1 (en) * | 1994-03-01 | 1995-09-07 | Alfred Mueller | Propeller drive clutch for gliders |
EP2390184A1 (en) | 2010-05-31 | 2011-11-30 | Eurocopter | Aircraft powerplant, aircraft and method for using a piston engine in a powerplant provided with a conventional transmission unit |
FR2960518A1 (en) * | 2010-05-31 | 2011-12-02 | Eurocopter France | AIRCRAFT ENGINE INSTALLATION, AIRCRAFT AND METHOD FOR USING A PISTON ENGINE IN A POWER PLANT EQUIPPED WITH A CONVENTIONAL TRANSMISSION BOX |
US8882027B2 (en) | 2010-05-31 | 2014-11-11 | Airbus Helicopters | Aircraft power plant, an aircraft, and a method of using a piston engine in a power plant having a conventional gearbox |
CN106553761A (en) * | 2015-09-30 | 2017-04-05 | Brp传动系有限两合公司 | Aircraft propeller drive system |
US20180016021A1 (en) * | 2015-09-30 | 2018-01-18 | Brp-Rotax Gmbh & Co. Kg | Aircraft propeller drive system |
US10780989B2 (en) * | 2015-09-30 | 2020-09-22 | Brp-Rotax Gmbh & Co. Kg | Aircraft propeller drive system |
CN113911377A (en) * | 2021-11-12 | 2022-01-11 | 北京航空航天大学 | Power transmission device of oil-driven ducted aircraft |
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