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Telescopic Rear Wiper Arm with Cam and Roller Mechanism for Increased Wiping Area

Hyundai Motor India Engineering Pvt Ltd.-Venkata Aravind Masimukku, Karthik MSVS
  • Technical Paper
  • 2019-28-2407
To be published on 2019-11-21 by SAE International in United States
All round visibility is critical for safety of vehicle and road users. A vehicle must be designed in such a way that the driver encounters minimal hindrance for visibility of vehicle surroundings. This is even more essential during poor visibility conditions like during rain, snow, heavy fog etc. At present, wiper systems play an essential role in providing better visibility. There are other technological aides like cameras, sensors etc., but they must be considered as secondary systems, the must not be relied upon. Current wiper systems for front windscreen are very efficient, in terms of wiping area. But the wiper systems for rear windscreen are starkly opposite. The rear wiper arm length is very low, mainly due to low height of rear windscreen. This combined with the motion of wiper arm in an arc, results in low wiping area, leading to poor visibility through rear mirror. This paper addresses this problem with a simple solution - Telescopic Wiper Arm with Cam and Roller Mechanism. This mechanism can be divided into two parts. First is the…
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BOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, DRILLED, CLOSE TOL SHANK, AMS5643 (UNS S17400), 140 KSI, .4375-20 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3178B
  • Current
Published 2019-09-20 by SAE International in United States

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BOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, DRILLED, CLOSE TOL SHANK, AMS5643 (UNS S17400), 140 KSI, .1900-32 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3174B
  • Current
Published 2019-09-10 by SAE International in United States

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BOLT, MACHINE - DOUBLE HEX EXTENDED, WASHER HEAD, DRILLED, CLOSE TOL SHANK, AMS5643 (UNS S17400), 140 KSI, 2500-28 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3175B
  • Current
Published 2019-09-10 by SAE International in United States

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BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, STEEL AMS6322, CADMIUM PLATED, .3750-24 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS9917B
  • Current
Published 2019-09-10 by SAE International in United States

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WASHER, KEY - 180 DEG, LOCKING, CRES, UNS S32100

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS9276B
  • Current
Published 2019-08-15 by SAE International in United States
No Abstract Available.
This content contains downloadable datasets
This content contains a 2D/3D configurator
Annotation ability available
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WASHER, KEY - 90 DEG, LOCKING, CRES, UNS S32100

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS9581B
  • Current
Published 2019-08-15 by SAE International in United States
No Abstract Available.
This content contains downloadable datasets
This content contains a 2D/3D configurator
Annotation ability available
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Shaft Nut and Keywasher Installation Dimensions for

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS1495B
  • Current
Published 2019-07-29 by SAE International in United States
The purpose of this Standard is to provide installation dimensions for shaft nuts and their companion keywasher. The Standard type typically shown on MS9951 and MS9952, but is also suitable for parts which are dimensionally equivalent.
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Turbulent Pressure Spectra for Separated Flow Conditions

Calvin College-Kurtis DeVries
Calvin Engineering-Richard DeJong
Published 2019-06-05 by SAE International in United States
The magnitude of the turbulent pressure spectrum in fluid flow over an obstruction is usually much larger than in attached flow over a smooth surface. External features on a vehicle, such as windshield wipers, side mirrors and pillars which cause flow separation, are a major source of wind noise. The modeling of the pressure spectrum in separated flow is important for designing quiet vehicles. In this study wind tunnel tests have been performed with different shaped obstructions to measure and correlate the surface pressure spectra with flow parameters such as the pressure coefficient and separation size. The model by Chase for attached turbulent boundary layer pressures is generalized to apply to separated flow conditions.
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WASHER, KEY - 270 DEG, LOCKING, CRES, UNS S32100

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS9582C
  • Current
Published 2019-04-10 by SAE International in United States
No Abstract Available.
This content contains downloadable datasets
This content contains a 2D/3D configurator
Annotation ability available