FR3128750B1 - SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES - Google Patents

SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES Download PDF

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Publication number
FR3128750B1
FR3128750B1 FR2111672A FR2111672A FR3128750B1 FR 3128750 B1 FR3128750 B1 FR 3128750B1 FR 2111672 A FR2111672 A FR 2111672A FR 2111672 A FR2111672 A FR 2111672A FR 3128750 B1 FR3128750 B1 FR 3128750B1
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FR
France
Prior art keywords
line
lines
speed reducer
transmission lines
intermediate transmission
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.)
Active
Application number
FR2111672A
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French (fr)
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FR3128750A1 (en
Inventor
Yohan Douy
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.)
Safran Transmission Systems SAS
Original Assignee
Safran Transmission Systems SAS
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 Safran Transmission Systems SAS filed Critical Safran Transmission Systems SAS
Priority to FR2111672A priority Critical patent/FR3128750B1/en
Publication of FR3128750A1 publication Critical patent/FR3128750A1/en
Application granted granted Critical
Publication of FR3128750B1 publication Critical patent/FR3128750B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • 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
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/312—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being parallel to each other
    • 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
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • 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
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/121—Arrangements for adjusting or for taking-up backlash not provided for elsewhere using parallel torque paths and means to twist the two path against each other
    • 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
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/126—Self-adjusting during operation, e.g. by a spring

Abstract

Réducteur de vitesse (10) à deux lignes intermédiaires de transmission (16), en particulier pour une turbomachine d’aéronef, ce réducteur comprenant : - une ligne d’entrée (12), - une ligne de sortie (14), - deux lignes intermédiaires (16) configurées pour transmettre un couple de la ligne d’entrée (12) à la ligne de sortie (14), l’une des lignes intermédiaires (16), appelée ligne intermédiaire maître (16a), étant engrenée sans jeu avec la ligne d’entrée (12), et l’autre des lignes intermédiaires (16), appelée ligne intermédiaire esclave (16b), étant engrenée avec jeu (δ) avec la ligne d’entrée (20), et - un système à bascule (30) qui s’étend transversalement entre les lignes intermédiaires (16) et qui est configuré pour transmettre un effort axial depuis la ligne intermédiaire maître (16a) jusqu’à la ligne intermédiaire esclave (16b). Figure pour l'abrégé : Figure 3Speed reducer (10) with two intermediate transmission lines (16), in particular for an aircraft turbomachine, this reducer comprising: - an input line (12), - an output line (14), - two intermediate lines (16) configured to transmit torque from the input line (12) to the output line (14), one of the intermediate lines (16), called master intermediate line (16a), being engaged without play with the input line (12), and the other of the intermediate lines (16), called slave intermediate line (16b), being meshed with clearance (δ) with the input line (20), and - a system rocker (30) which extends transversely between the intermediate lines (16) and which is configured to transmit an axial force from the master intermediate line (16a) to the slave intermediate line (16b). Figure for abstract: Figure 3

FR2111672A 2021-11-03 2021-11-03 SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES Active FR3128750B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2111672A FR3128750B1 (en) 2021-11-03 2021-11-03 SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2111672 2021-11-03
FR2111672A FR3128750B1 (en) 2021-11-03 2021-11-03 SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES

Publications (2)

Publication Number Publication Date
FR3128750A1 FR3128750A1 (en) 2023-05-05
FR3128750B1 true FR3128750B1 (en) 2024-03-15

Family

ID=79601867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2111672A Active FR3128750B1 (en) 2021-11-03 2021-11-03 SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES

Country Status (1)

Country Link
FR (1) FR3128750B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6374689B1 (en) * 2000-05-22 2002-04-23 Harrier Technologies, Inc. Continuous load balancing gear sets
DE102009039864B4 (en) * 2009-09-03 2012-09-27 Renk Ag Gearbox with power split
DE102010062221A1 (en) * 2010-11-30 2012-05-31 Renk Ag Gear assembly has drive, output and two identical parallel functional drive strands, which have strand input and strand output
FR3026452B1 (en) 2014-09-30 2016-10-28 Hispano Suiza Sa SPEED REDUCER WITH TWO INTERMEDIATE TRANSMISSION LINES
FR3035163B1 (en) 2015-04-14 2018-06-22 Safran Helicopter Engines PARALLEL SPROCKET WITH TORQUE DISTRIBUTION DETERMINED BY A HYDRAULIC SCALE
CN105526312A (en) * 2016-01-26 2016-04-27 北京太富力传动机器有限责任公司 Uniform-load shunt speed reducer

Also Published As

Publication number Publication date
FR3128750A1 (en) 2023-05-05

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