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1. WO2019216351 - CENTRIFUGAL CLUTCH

Publication Number WO/2019/216351
Publication Date 14.11.2019
International Application No. PCT/JP2019/018431
International Filing Date 08.05.2019
IPC
F16D 43/18 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
43Internally controlled automatic clutches
02actuated entirely mechanically
04controlled by angular speed
14with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
18with friction clutching members
CPC
F16D 2043/145
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
43Automatic clutches
02actuated entirely mechanically
04controlled by angular speed
14with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
145the centrifugal masses being pivoting
F16D 43/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
43Automatic clutches
02actuated entirely mechanically
04controlled by angular speed
14with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
F16D 43/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
43Automatic clutches
02actuated entirely mechanically
04controlled by angular speed
14with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
18with friction clutching members
F16D 43/211
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
43Automatic clutches
02actuated entirely mechanically
20controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
21with friction members
211with radially applied torque-limiting friction surfaces
F16H 9/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
9Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
02without members having orbital motion
04using belts, V-belts, or ropes
12engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
16using two pulleys, both built-up out of adjustable conical parts
18only one flange of each pulley being adjustable
Applicants
  • 株式会社エフ・シー・シー KABUSHIKI KAISHA F.C.C. [JP]/[JP]
Inventors
  • 青野 薫 AONO Kaoru
  • 横道 友太 YOKOMICHI Yuta
  • 木根 悠太 KINE Yuta
  • 片岡 真 KATAOKA Makoto
Agents
  • 居藤 洋之 ITO Hiroyuki
Priority Data
2018-09193011.05.2018JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) CENTRIFUGAL CLUTCH
(FR) EMBRAYAGE CENTRIFUGE
(JA) 遠心クラッチ
Abstract
(EN) Provided is a centrifugal clutch that is capable of either reducing an assist thrust or holding an assist thrust constant even when a clutch shoe is worn down. This centrifugal clutch 200 is provided with a drive plate 210 that is rotary-driven by a driving force of an engine. The drive plate 210 is provided with pivot support pins 214 and plate-side cam bodies 218. The pivot support pins 214 each pivotably support a clutch weight 230 by being fitted in an oblong-shaped pin slide hole 231 formed in the clutch weight 230. The plate-side cam bodies 218 are each formed of a cylindrical roller and are in contact with a weight-side cam body 235 of the clutch weight 230. The weight-side cam body 235 is formed to have a curved surface that results in the same cam angle, before and after wear of a clutch shoe 233 proceeds, when the clutch shoe 233 comes into contact with a cylindrical surface of an outer clutch sleeve 240.
(FR) L'invention concerne un embrayage centrifuge permettant soit de réduire une poussée d'assistance, soit de maintenir constante une poussée d'assistance y compris en cas d'usure d'une masselotte d'embrayage. Cet embrayage centrifuge 200 est pourvu d'une plaque d'entraînement 210 qui est entraînée en rotation par une force d'entraînement d'un moteur. La plaque d'entraînement 210 est pourvue de broches de support de pivot 214 et de corps de came côté plaque 218. Les broches de support de pivot 214 supportent chacune de manière pivotante un poids d'embrayage 230 en étant ajustées dans un trou de coulissement de broche 231 de forme oblongue formé dans le poids d'embrayage 230. Les corps de came côté plaque 218 sont chacun constitués d'un rouleau cylindrique et sont en contact avec un corps de came côté poids 235 du poids d'embrayage 230. Le corps de came côté poids 235 est conçu de sorte à présenter une surface incurvée qui se traduit par le même angle de came, avant et après que se produise l'usure d'une masselotte d'embrayage 233, lorsque la masselotte d'embrayage 233 vient en contact avec une surface cylindrique d'un manchon d'embrayage externe 240.
(JA) クラッチシューが摩耗してもアシスト推力を一定に維持またはアシスト推力を低下させることができる遠心クラッチを提供する。 遠心クラッチ200は、エンジンの駆動力によって回転駆動するドライブプレート210を備えている。ドライブプレート210は、揺動支持ピン214およびプレート側カム体218をそれぞれ備えている。揺動支持ピン214は、クラッチウエイト230に形成された長孔状のピン摺動孔231に嵌合してクラッチウエイト230を揺動自在に支持する。プレート側カム体218は、円筒状のローラで構成されており、クラッチウエイト230のウエイト側カム体235が接触している。ウエイト側カム体235は、クラッチシュー233の摩耗が進む前後においてクラッチシュー233がクラッチアウター240の円筒面に接触したときのカム角度が同じになる曲面に形成されている。 図2
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