GB647863A - Improvements relating to power transmission mechanisms - Google Patents

Improvements relating to power transmission mechanisms

Info

Publication number
GB647863A
GB647863A GB2094348A GB2094348A GB647863A GB 647863 A GB647863 A GB 647863A GB 2094348 A GB2094348 A GB 2094348A GB 2094348 A GB2094348 A GB 2094348A GB 647863 A GB647863 A GB 647863A
Authority
GB
United Kingdom
Prior art keywords
undercarriage
annulus
pawl
gearing
annuli
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
GB2094348A
Inventor
Terence William Millns
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.)
Lucas Support Services Ltd
Original Assignee
Rotax Ltd
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 Rotax Ltd filed Critical Rotax Ltd
Priority to GB2094348A priority Critical patent/GB647863A/en
Publication of GB647863A publication Critical patent/GB647863A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G7/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof
    • G05G7/14—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by means for delaying initiation of, or making more gradual throughout, the movement of the controlled member in response to a given input from the controlling member, e.g. by providing lost motion in the command train
    • 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
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/10—Braking arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

647,863. Toothed gearing. ROTAX, Ltd. Aug. 9, 1948, No. 20943. [Class 80(i)] [Also in Group XXXIV] A screw - and - nut actuator mechanism for aircraft under carriage systems and like mechanisms includes epicyclic reduction gearing in which an annular reaction gear, normally positively held against rotation, is frictionally retarded when released. A shaft a, driven by an electric motor, is connected to the shaft b, driving screw mechanism for actuating the undercarriage &c. by epicyclic gearing comprising sun pinions e, d, e, planet pinions f, g, h, and annuli i, j, k. The annuli i, k are fixed in a housing m, the annulus j being rotatably mounted but locked by a pawl n engaging one of a pluralality of notches o in its periphery. The pawl n is controlled by a spring-loaded plunger p which may be moved to allow disengagement of the pawl and consequent release of the undercarriage &c. Located in the housing m are one or more spring- loaded balls s, Fig. 2, bearing on the periphery of the annulus j so as to engage successively the notches o when the annulus is released, thereby retarding its rotation and controlling the rate of descent of the undercarriage &c.
GB2094348A 1948-08-09 1948-08-09 Improvements relating to power transmission mechanisms Expired GB647863A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2094348A GB647863A (en) 1948-08-09 1948-08-09 Improvements relating to power transmission mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2094348A GB647863A (en) 1948-08-09 1948-08-09 Improvements relating to power transmission mechanisms

Publications (1)

Publication Number Publication Date
GB647863A true GB647863A (en) 1950-12-20

Family

ID=10154455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2094348A Expired GB647863A (en) 1948-08-09 1948-08-09 Improvements relating to power transmission mechanisms

Country Status (1)

Country Link
GB (1) GB647863A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148558A (en) * 1963-01-14 1964-09-15 Bendix Corp Adjustable actuating mechanism
FR2410187A1 (en) * 1977-11-29 1979-06-22 Skf Nova Ab PLANETARY GEAR SYSTEM
US4621541A (en) * 1983-08-04 1986-11-11 Takashi Takahashi Apparatus for changing rotational speed with the aid of clutching activity
US5074832A (en) * 1989-10-02 1991-12-24 Matex Co., Ltd. Timing driving unit for planetary gear assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148558A (en) * 1963-01-14 1964-09-15 Bendix Corp Adjustable actuating mechanism
FR2410187A1 (en) * 1977-11-29 1979-06-22 Skf Nova Ab PLANETARY GEAR SYSTEM
US4621541A (en) * 1983-08-04 1986-11-11 Takashi Takahashi Apparatus for changing rotational speed with the aid of clutching activity
US5074832A (en) * 1989-10-02 1991-12-24 Matex Co., Ltd. Timing driving unit for planetary gear assembly

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