FR847990A - Improvements to motion transmission devices with two propellers rotating in the opposite direction - Google Patents

Improvements to motion transmission devices with two propellers rotating in the opposite direction

Info

Publication number
FR847990A
FR847990A FR847990DA FR847990A FR 847990 A FR847990 A FR 847990A FR 847990D A FR847990D A FR 847990DA FR 847990 A FR847990 A FR 847990A
Authority
FR
France
Prior art keywords
opposite direction
transmission devices
motion transmission
propellers rotating
propellers
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
Other languages
French (fr)
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.)
Piaggio and C SpA
Original Assignee
Piaggio and C SpA
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 Piaggio and C SpA filed Critical Piaggio and C SpA
Application granted granted Critical
Publication of FR847990A publication Critical patent/FR847990A/en
Expired legal-status Critical Current

Links

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
    • B64D35/04—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
    • B64D35/06—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR847990D 1937-12-24 1938-12-24 Improvements to motion transmission devices with two propellers rotating in the opposite direction Expired FR847990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT847990X 1937-12-24

Publications (1)

Publication Number Publication Date
FR847990A true FR847990A (en) 1939-10-19

Family

ID=11325383

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847990D Expired FR847990A (en) 1937-12-24 1938-12-24 Improvements to motion transmission devices with two propellers rotating in the opposite direction

Country Status (1)

Country Link
FR (1) FR847990A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543453A (en) * 1945-08-11 1951-02-27 Avco Mfg Corp Mechanism for driving contrarotating propellers
US2584115A (en) * 1948-03-16 1952-02-05 Theodore E Dinsmoor Torque equalizer for counterrotating propellers
DE884153C (en) * 1941-05-27 1953-07-23 Daimler Benz Ag Stepless regulation for propeller drives
FR2620107A1 (en) * 1987-09-05 1989-03-10 Rolls Royce Plc GEARBOX SYSTEM FOR DRIVING MULTIPLE AUBES ROTORS IN OPPOSITE ROTATION
FR3008155A1 (en) * 2013-07-03 2015-01-09 Snecma MULTIPLE REDUCER TRANSMISSION BETWEEN A DRIVE SHAFT AND A PAIR OF COAXIAL PROPELLERS AT THIS TREE
US10669946B2 (en) * 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884153C (en) * 1941-05-27 1953-07-23 Daimler Benz Ag Stepless regulation for propeller drives
US2543453A (en) * 1945-08-11 1951-02-27 Avco Mfg Corp Mechanism for driving contrarotating propellers
US2584115A (en) * 1948-03-16 1952-02-05 Theodore E Dinsmoor Torque equalizer for counterrotating propellers
FR2620107A1 (en) * 1987-09-05 1989-03-10 Rolls Royce Plc GEARBOX SYSTEM FOR DRIVING MULTIPLE AUBES ROTORS IN OPPOSITE ROTATION
FR3008155A1 (en) * 2013-07-03 2015-01-09 Snecma MULTIPLE REDUCER TRANSMISSION BETWEEN A DRIVE SHAFT AND A PAIR OF COAXIAL PROPELLERS AT THIS TREE
US9039567B2 (en) 2013-07-03 2015-05-26 Snecma Device with multiple reduction gear transmission between a drive shaft and a pair of propellers coaxial with this shaft
US10669946B2 (en) * 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine

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