Compact Disconnect System for Electrified Drivetrains
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Engine Braking with Lashless Valve Trains
Engines DEVELOPMENT ENGINes Engine Braking with Lashless Valve Trains © Hanna_photo | iStock.com / narvikk | iStock.com / shauni | iStock.com / Maksym Dragunov | iStock.com / Jacobs Vehicle Systems, Inc. Until now, hydraulic valve lash adjusters could not be used in g Lashless valve train systems, heavy-duty diesel engines in combination with an additional utilizing technologies such as automatic or Hydraulic Lash Adjusters (HLAs), engine brake, as the engine brake causes signifcant valve lash FIGURE 1, to maintain zero-clearance during the braking process. The hydraulic compensation ele- between the mechanisms to intake ments automatically readjust to take up this play, thereby pre- and exhaust valves, have been ubiqui- tous in passenger car gasoline engines venting correct seating at the end of the cycle. Jacobs Vehicle and light-duty diesel applications for Systems has now developed systems that enable the integration decades. For applications like medium (MD) and heavy-duty (HD) diesel that of an engine brake in valve trains with hydraulic lash adjusters. require the use of dedicated engine brakes to aid in downhill control, lash- less systems were simply not compatible. A conventional engine brake in opera- tion will create an increased clearance between components of the valve train. If the HLA now readjusts, the engine components may suffer. 28 www.springerprofessional.com/automotive Engines AUTHORS (TCO) and lower Noise, Vibration and release event into the exhaust, and pre- Harshness (NVH) emitted by the valve vents the energy from going back to the train. The adoption of lashless valve crank during the expansion stroke. This trains with HLAs can allow the OEMs to “energy absorption” helps to slow the have more fexibility in valve lift design, loaded vehicle or maintain control on a which helps in meeting more stringent downhill grade without wear and tear or emission targets. -
Safety Warnings
SAFETY INFORMATION Doc ID: 192-297A Doc Revision: 010418 Improper installation, service or maintenance of this product can cause death, serious injury, and/or property damage. • Only a trained and qualified mechanic should install this product. • Read these directions thoroughly before installation. • For assistance or additional information, please call Rekluse Motor Sports. Failure to become familiar with Rekluse auto clutch operation before use can cause death, serious injury, and/or property damage. • Completely familiarize yourself with the operation of the Rekluse auto clutch. • Do NOT allow anyone unfamiliar with the operation of the Rekluse auto clutch to operate a Rekluse auto clutch equipped motorcycle. • Do NOT attempt to ride a Rekluse auto clutch equipped motorcycle on public roads until you are completely familiarized with the operation of this product. • First practice riding Rekluse auto clutch equipped motorcycles in a safe area free of obstructions. A Rekluse auto clutch can engage suddenly and cause death, serious injury, and/or property damage. Loss of control can result from sudden and unexpected engagement of the clutch from a free-wheeling state. Rear tire may slow from the engine's compression braking effect and cause the rear tire to skid. • Always select a suitable transmission gear for your ground speed, engine RPM and terrain. • Release the clutch lever slowly and apply a small amount of throttle to control engine compression braking after downshifting. See installation and/or user’s guide for more information about free-wheeling. Rekluse auto clutch can make your motorcycle appear to be in neutral when in gear, even when the engine is running and clutch lever released. -
Mission CO2 Reduction: the Future of the Manual Transmission: Schaeffler
56 57 Mission CO2 Reduction The future of the manual transmission N X D H I O E A S M I O U E N L O A N G A D F J G I O J E R U I N K O P J E W L S P N Z A D F T O I E O H O I O O A N G A D F J G I O J E R U I N K O P O A N G A D F J G I O J E R A N P D H I O E A S M I O U E N L O A N G A D F O I E R N G M D S A U K Z Q I N K J S L O G D W O I A D U I G I R Z H I O G D N O I E R N G M D S A U K N M H I O G D N O I E R N G U O I E U G I A F E D O N G I U A M U H I O G D V N K F N K K R E W S P L O C Y Q D M F E F B S A T B G P D R D D L R A E F B A F V N K F N K R E W S P D L R N E F B A F V N K F N W F I E P I O C O M F O R T O P S D C V F E W C G M J B J B K R E W S P L O C Y Q D M F E F B S A T B G P D B D D L R B E Z B A F V R K F N K R E W S P Z L R B E O B A F V N K F N J V D O W R E Q R I U Z T R E W Q L K J H G F D G M D S D S B N D S A U K Z Q I N K J S L W O I E P JürgenN N B KrollA U A H I O G D N P I E R N G M D S A U K Z Q H I O G D N W I E R N G M D G G E E A Y W T R D E E S Y W A T P H C E Q A Y Z Y K F K F S A U K Z Q I N K J S L W O Q T V I E P MarkusN Z R HausnerA U A H I R G D N O I Q R N G M D S A U K Z Q H I O G D N O I Y R N G M D T C R W F I J H L M L K N I J U H B Z G V T F C A K G E G E F E Q L O P N G S A Y B G D S W L Z U K RolandO G I SeebacherK C K P M N E S W L N C U W Z Y K F E Q L O P P M N E S W L N C T W Z Y K W P J J V D G L E T N O A D G J L Y C B M W R Z N A X J X J E C L Z E M S A C I T P M O S G R U C Z G Z M O Q O D N V U S G R V L G R M K G E C L Z E M D N V U S G R V L G R X K G K T D G G E T O -
A Review of Regenerative Braking Systems
This is a repository copy of A Review of Regenerative Braking Systems. White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk/2118/ Monograph: Clegg, S.J. (1996) A Review of Regenerative Braking Systems. Working Paper. Institute of Transport Studies, University of Leeds , Leeds, UK. Working Paper 471 Reuse See Attached Takedown If you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing [email protected] including the URL of the record and the reason for the withdrawal request. [email protected] https://eprints.whiterose.ac.uk/ White Rose Research Online http://eprints.whiterose.ac.uk/ Institute of Transport Studies University of Leeds This is an ITS Working Paper produced and published by the University of Leeds. ITS Working Papers are intended to provide information and encourage discussion on a topic in advance of formal publication. They represent only the views of the authors, and do not necessarily reflect the views or approval of the sponsors. White Rose Repository URL for this paper: http://eprints.whiterose.ac.uk/2118/ Published paper S.J. Clegg (1996) A Review of Regenerative Braking Systems. Institute of Transport Studies, University of Leeds, Working Paper 471 White Rose Consortium ePrints Repository [email protected] UNIVERSITY OF LEEDS Institute for Transport Studies ITS Working Paper 471 April 1996 A REVIEW OF REGENERATIVE BRAKING SYSTEMS DR. S J CLEGG ITS Working Papers are intended to provide information and encourage discussion on a topic in advance of formal publication. They represent only the views of the authors, and do not necessarily reflect the views or approval of the sponsors. -
5-Speed Manual Transmission Again, Or by Turning the Ignition Do Not Rest Your Foot on the Clutch the Transmission Has Five Fully Key to the "OFF" Position
5-Speed Manual Transmission again, or by turning the ignition Do not rest your foot on the clutch The transmission has five fully key to the "OFF" position. pedal while driving; this can synchronized forward speeds. The cause the clutch to slip, resulting gear shift pattern is provided on Operation of the "WINTER" in damage to the clutch. mode should be limited to the transmission lever knob. The slippery road conditions only. backup lights turn on when When you are stopped on an Operation of the "WINTER" shifted into the reverse gear. upgrade, do not hold the vehicle mode during normal driving in place by letting the clutch pedal conditions will cause decreased up part-way. Use the foot brake or performance and sluggish the parking brake. acceleration. Never shift into reverse gear until the vehicle is completely stopped. Do not "over-speed" the engine when shifting down to a lower gear. The shift lever cannot be shifted directly from fifth gear into Reverse. When shifting into Reverse gear from fifth gear, Driving Tips depress the clutch pedal and shift completely into Neutral position, Always depress and release the then shift into Reverse gear. clutch pedal fully when shifting. Instruments and Controls Shift Speed Chart For cruising, choose the highest Transfer Control gear for that speed (cruising speed The lower gears of the 4WD Models is defined as a relatively constant transmission are used for normal The "4WD" indicator light speed operation). acceleration of the vehicle to the illuminates when 4WD is engaged desired cruising speed. The The upshift indicator (U/S) lights with the 4WD-2WD switch. -
Trailering Tips Power, Or If You Hear Unusual Engine Noises, Immediately Take These Following Steps: 1
Overheating: Prolonged driving with overheated fluids can cause damage to your vehicle. If temperature gauges register abnormally high, if there is a marked decrease in Trailering Tips power, or if you hear unusual engine noises, immediately take these following steps: 1. Pull your vehicle to the side of the road and leaving the Outdoor engine running. Once stopped, shift into park (automatic transmission) or neutral (manual Recreation transmission) and apply the parking brakes. Center 2. Turn off the air conditioning and other accessories to reduce the load on the engine. Roll down windows and turn the heater on to maximum and the fan to its highest setting. The heater core provides a second cooling surface that can help reduce engine temperatures. 3. If you suspect that the overheating is a result of climbing a long steep grade, run the engine at fast idle (around 1,500rpm) until the temperature gauge registers a normal reading. 4. Examine your vehicle. With the vehicle in park or neutral and the parking brake engaged and being mindful of traffic, exit your vehicle. Look for steam or leaking coolant underneath the engine. If you see either of these, shut the engine off and allow engine to cool. To avoid being burned, do not attempt to remove the radiator cap until engine has cooled. Parking On Grades: Parking on steep grades with a trailer is not recommended. If you must, follow this procedure: 1. Apply the brakes and shift into neutral. 2. Have someone block the trailer’s wheels on the downgrade side. 3. Release the brakes until the blocks absorb the load. -
Owners Manual
TO THE OWNER This Owner’s Manual has been prepared to provide you with important oper- ation, maintenance and safety information relating to your UD Trucks vehi- cle. We urge you and others operating the vehicle to carefully read this manual and follow the recommendations for operation, maintenance, and safety. Failure to follow these recommendations could result in serious injury or death to those riding in this vehicle or bystanders. This manual should be considered a permanent part of the vehicle and must be kept with the vehicle at all times. This Owner’s Manual should accompany the vehicle when sold to provide future owners and opera- tors with important operation, safety and maintenance information. The characteristics and functions of this vehicle make its driving and han- dling different from that of a car. Before operating your vehicle, familiarize yourself and others operating the vehicle with these differences. The Warranty and Service Booklet provided with each vehicle contains important information about warranty and service matters. Keep it with your vehicle at all times and present it to your authorized UD Trucks dealer or other service facility when service is required. When service or other assistance is required, consult your UD Trucks dealer. If you have a problem that has not been handled to your satisfaction, contact UD Trucks North America, Inc., 7900 National Service Road Greensboro, NC 27409. 1206-20710-K1 All rights reserved. Reproduction by any means, electronic or mechanical including photocopying, recording or by any information storage and retrieval system or translation in whole or part is not per- mitted without written authorization from UD Trucks Corporation. -
Clutch/Brake Packages Section F
Clutch/Brake Packages Section F CBC Clutch/Brake Combination ............................................................................................................................................. 203 Dimensional and Technical Data ................................................................................................................................................. 205 FSPA Packages Description .................................................................................................................................................... 213 Dimensional and Technical Data ................................................................................................................................................ 215 AMCB AccuStop Description .................................................................................................................................................. 223 Dimensional and Technical Data ................................................................................................................................................ 225 21 DCB Clutch/Brake Description .......................................................................................................................................... 227 Dimensional and Technical Data ................................................................................................................................................ 228 202 EATON Airflex® Clutches & Brakes 10M1297GP November 2012 CBC Clutch/Brake Combination CBC Clutch/Brake -
FE Analysis of a Dog Clutch for Trucks with All-Wheel-Drive FE-Analys Av En Klokoppling För Allhjulsdrivna Lastbilar
FE analysis of a dog clutch for trucks with all-wheel-drive FE-analys av en klokoppling för allhjulsdrivna lastbilar Växjö, 2010-05-28 15p Mechanical Engineering/4MT01E Handledare: Hans Hansson, SwePart Transmission AB Handledare: Andreas Linderholt, Linnéuniversitetet, Institutionen för teknik Examinator: Anders Karlsson, Linnéuniversitetet, Institutionen för teknik Thesis nr: TEK 054/2010 Författare: Mattias Andersson, Kordian Goetz Organisation/ Organization Författare/Author(s) Linnéuniversitetet Mattias Andersson, Kordian Goetz Institutionen för teknik Linnaeus University School of Engineering Dokumenttyp/Type of Document Handledare/tutor Examinator/examiner Examensarbete/Master Thesis Andreas Linderholt Anders Karlsson Titel och undertitel/Title and subtitle FE-analys av en klokoppling för allhjulsdrivna lastbilar / FE analysis of a dog clutch for trucks with all-wheel-drive Sammanfattning (på svenska) Examensarbetet är utfört för att försöka förbättra inkopplingen av allhjulsdrift på lastbilar. När en lastbil kör på halt eller löst väglag kan hjulspinn uppstå vid bakhjulen. Om föraren kopplar in allhjulsdriften när hjulen börjat slira uppstår en relativ rotationshastighet mellan halvorna i klokopplingen. Om denna relativa rotationshastighet är för hög kommer halvorna i kopplingen studsa mot varandra innan de kopplas ihop eller inte koppla ihop alls. För att undvika detta problem har klokopplingens tandgeometri modifierats. FE simuleringar är gjorda på den ursprungliga modellen samt alla nya modeller för att ta reda på vilken som kopplar vid högst relativa rotationshastighet. Resultaten visar att förbättringar kan göras. Enkla modifieringar på avfasningarnas avstånd och vinklar visar att klokopplingen kan klara upp till 120 rpm i relativ rotationshastighet jämfört med den ursprungliga modellen som endast klarar 50 rpm. Nyckelord Klokoppling, Allhjulsdrift, FE-analys Abstract (in English) The thesis is carried out in order to improve the transfer case in trucks with all-wheel-drive. -