ITTO930687A0 - Applicazione di ingranaggio facciali a trasmissioni per elicotteri. - Google Patents
Applicazione di ingranaggio facciali a trasmissioni per elicotteri.Info
- Publication number
- ITTO930687A0 ITTO930687A0 ITTO930687A ITTO930687A0 IT TO930687 A0 ITTO930687 A0 IT TO930687A0 IT TO930687 A ITTO930687 A IT TO930687A IT TO930687 A0 ITTO930687 A0 IT TO930687A0
- Authority
- IT
- Italy
- Prior art keywords
- application
- face gears
- helicopter transmissions
- helicopter
- transmissions
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- 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
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/065—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with a plurality of driving or driven shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19014—Plural prime movers selectively coupled to common output
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19023—Plural power paths to and/or from gearing
- Y10T74/19074—Single drive plural driven
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19023—Plural power paths to and/or from gearing
- Y10T74/19126—Plural drivers plural driven
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Gear Transmission (AREA)
- Transmission Devices (AREA)
- Cosmetics (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO930687A IT1261872B (it) | 1993-09-17 | 1993-09-17 | Applicazione di ingranaggi facciali a trasmissioni per elicotteri. |
US08/306,005 US5572910A (en) | 1993-09-17 | 1994-09-14 | Application of face gears to helicopter transmissions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO930687A IT1261872B (it) | 1993-09-17 | 1993-09-17 | Applicazione di ingranaggi facciali a trasmissioni per elicotteri. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO930687A0 true ITTO930687A0 (it) | 1993-09-17 |
ITTO930687A1 ITTO930687A1 (it) | 1995-03-17 |
IT1261872B IT1261872B (it) | 1996-06-03 |
Family
ID=11411743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO930687A IT1261872B (it) | 1993-09-17 | 1993-09-17 | Applicazione di ingranaggi facciali a trasmissioni per elicotteri. |
Country Status (2)
Country | Link |
---|---|
US (1) | US5572910A (it) |
IT (1) | IT1261872B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5802918A (en) * | 1996-10-16 | 1998-09-08 | Mcdonnell Douglas Helicopter Co. | Concentric face gear transmission assembly |
CA2240752C (en) * | 1998-06-16 | 2006-07-25 | Fiatavio S.P.A. | Face-gear transmission assembly with floating balance pinions |
EP0971155B1 (en) * | 1998-06-18 | 2002-11-13 | FIATAVIO S.p.A. | Face-gear transmission assembly with floating balance pinions |
US6302356B1 (en) | 1998-08-21 | 2001-10-16 | Rolls-Royce Corporation | Helicopter two stage main reduction gearbox |
FR2830307B1 (fr) * | 2001-10-02 | 2003-12-05 | Eurocopter France | Boite de transmission de puissance basculante a roues a denture frontale peripherique de type "far gear" |
US6672538B2 (en) | 2002-05-23 | 2004-01-06 | Sikorsky Aircraft Corporation | Transmission for a coaxial counter rotating rotor system |
US8015900B2 (en) | 2003-07-16 | 2011-09-13 | Sikorsky Aircraft Corporation | Split-torque gear box |
US20050153812A1 (en) * | 2004-01-12 | 2005-07-14 | Locust, Usa, Inc. | Small-size traction drive transmission system for use in microturbine-powered aircraft |
US7270296B2 (en) * | 2004-01-12 | 2007-09-18 | Locust Usa Inc. | Small-size high-speed transmission system for use in microturbine-powered aircraft |
FR2871138B1 (fr) * | 2004-06-07 | 2006-08-04 | Eurocopter France | Mecanisme de transmission entre des accessoires et les organes moteurs d'entrainement du rotor d'un giravion, selectivement isolement ou conjointement |
US7575192B1 (en) | 2005-12-16 | 2009-08-18 | Locust Usa, Inc. | Transmission system for use in microturbine-powered applications |
US10941836B2 (en) * | 2017-03-28 | 2021-03-09 | Sikorsky Aircraft Corporation | Rotorcraft internal transfer member transmission |
FR3085349B1 (fr) * | 2018-09-03 | 2021-04-09 | Safran Trans Systems | Boite de transmission principale pour helicoptere contrarotatif |
CN109760831A (zh) * | 2019-02-26 | 2019-05-17 | 四川华义茶业有限公司 | 一种多旋翼油动无人机 |
US11073198B1 (en) * | 2020-04-27 | 2021-07-27 | Steering Solutions Ip Holding Corporation | Dual motor dual epicyclical gearbox with coupled annulus with external teeth |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2351219A (en) * | 1943-03-13 | 1944-06-13 | Gleason Works | Gearing |
US2461348A (en) * | 1945-10-17 | 1949-02-08 | Horace T Pentecost | Helicopter of the coaxial wing type |
US2702100A (en) * | 1950-04-01 | 1955-02-15 | Gen Motors Corp | Brake for propeller drives |
NL8503488A (nl) * | 1985-12-18 | 1987-07-16 | Daf Special Products B V | Tandwieltransmissie, in het bijzonder voor helicoptertoepassing. |
US5178028A (en) * | 1990-09-27 | 1993-01-12 | Lucas Western, Inc. | Offset face gear transmission |
US5233886A (en) * | 1992-05-26 | 1993-08-10 | Lucas Western, Inc. | Increased capacity face gear arrangement for transmitting torque through an angle and to a plurality of power extraction paths |
-
1993
- 1993-09-17 IT ITTO930687A patent/IT1261872B/it active IP Right Grant
-
1994
- 1994-09-14 US US08/306,005 patent/US5572910A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5572910A (en) | 1996-11-12 |
ITTO930687A1 (it) | 1995-03-17 |
IT1261872B (it) | 1996-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970929 |