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Variocam Porsche
Variocam Porsche
Published: 2011/04/08
Channel: JiJonz
VarioCam
VarioCam
Published: 2017/04/30
Channel: BaseLogica Motor
Porsche Variocam Plus Valve Timing
Porsche Variocam Plus Valve Timing
Published: 2013/05/31
Channel: ADPTraining
VarioCam Plus Porsche Sistema de Distribucion Variable
VarioCam Plus Porsche Sistema de Distribucion Variable
Published: 2016/11/02
Channel: BaseLogica Motor
ΜΕΚ ΙΙ Κεφ.2.3.3 Ρυθμιζόμενος τεντωτήρας αλυσίδας Vario cam, Vanos , VVT-i
ΜΕΚ ΙΙ Κεφ.2.3.3 Ρυθμιζόμενος τεντωτήρας αλυσίδας Vario cam, Vanos , VVT-i
Published: 2018/02/26
Channel: George Pnevmatikos
panne 997 variocam
panne 997 variocam
Published: 2013/06/07
Channel: Leichtbau964
Variocam Plus erklärung
Variocam Plus erklärung
Published: 2016/01/27
Channel: ivi schei
VARIOCAM PORSCHE
VARIOCAM PORSCHE
Published: 2015/03/05
Channel: Nelson Holdem NL
Maquisard 2009 porsche 944 1984 (3l 16v variocam)
Maquisard 2009 porsche 944 1984 (3l 16v variocam)
Published: 2009/08/18
Channel: patte944
Infrared Camera VarioCAM® High Definition of InfraTec - Spot
Infrared Camera VarioCAM® High Definition of InfraTec - Spot
Published: 2012/08/02
Channel: InfraTecGmbH
Variocam Porsche
Variocam Porsche
Published: 2012/10/20
Channel: Αθανάσιος Καραμπάσης
Porsche VarioCam Plus Analisi Tecnica
Porsche VarioCam Plus Analisi Tecnica
Published: 2017/12/07
Channel: Automobilissimo
VarioCam Plus da Porshe
VarioCam Plus da Porshe
Published: 2014/05/28
Channel: Gustavo Simão
Flug-Thermografie mit VarioCAM High Definition
Flug-Thermografie mit VarioCAM High Definition
Published: 2013/05/17
Channel: InfraTecGmbH
TPC 997 GT3 Vario-cam actuator mod
TPC 997 GT3 Vario-cam actuator mod
Published: 2017/04/04
Channel: TPC Racing
GT3 Vario Timing Part 1
GT3 Vario Timing Part 1
Published: 2013/07/22
Channel: STOMSKI RACING LC
VarioCAM HD head showng fox at night
VarioCAM HD head showng fox at night
Published: 2017/12/13
Channel: Stefan Korth
Infrared Camera VarioCAM® High Definition of InfraTec
Infrared Camera VarioCAM® High Definition of InfraTec
Published: 2012/05/22
Channel: InfraTecGmbH
Porsche 996 VarioCam Plus concentric lifter Fault
Porsche 996 VarioCam Plus concentric lifter Fault
Published: 2018/05/26
Channel: Jonnysideways
Thermal Imaging Camera VarioCAM® HDx in Use
Thermal Imaging Camera VarioCAM® HDx in Use
Published: 2017/12/21
Channel: InfraTecGmbH
944 3l variocam
944 3l variocam
Published: 2011/10/22
Channel: gdemontvalon
VarioCAM HD 880 / 120 mm  telephoto lens
VarioCAM HD 880 / 120 mm telephoto lens
Published: 2016/10/21
Channel: Stefan Korth
Spot VarioCAM HD
Spot VarioCAM HD
Published: 2013/11/25
Channel: Thermitalia
紅外線熱像儀 KTM LC8採用InfraTec VarioCAM hr 780記錄  弘軒科技 www.gti.tw
紅外線熱像儀 KTM LC8採用InfraTec VarioCAM hr 780記錄 弘軒科技 www.gti.tw
Published: 2017/11/29
Channel: 弘軒科技有限公司
CPU Cooler Thermal - Test mit 40.000-Euro-Wärmebildkamera VarioCAM
CPU Cooler Thermal - Test mit 40.000-Euro-Wärmebildkamera VarioCAM
Published: 2013/03/14
Channel: buffed.de
Field surface temperatures captured with a VarioCAM HD and 120 mm lens
Field surface temperatures captured with a VarioCAM HD and 120 mm lens
Published: 2017/03/17
Channel: Stefan Korth
Jenoptik VarioCam HD - RAAF FA18 Super Hornet Takeoff  HD Thermal
Jenoptik VarioCam HD - RAAF FA18 Super Hornet Takeoff HD Thermal
Published: 2013/09/10
Channel: Infratherm - IR Technology
Pferd mit Wärmebildkamera VarioCAM® hr research 680
Pferd mit Wärmebildkamera VarioCAM® hr research 680
Published: 2011/04/28
Channel: InfraTecAustria
Trockeneisreinigung mit Wärmebildkamera VarioCAM® hr research 680
Trockeneisreinigung mit Wärmebildkamera VarioCAM® hr research 680
Published: 2011/07/06
Channel: InfraTecAustria
VarioCAM HD head capturing roe deer at night.
VarioCAM HD head capturing roe deer at night.
Published: 2017/12/13
Channel: Stefan Korth
"großartige" Wärmebildkamera Variocam hr inspect 780
"großartige" Wärmebildkamera Variocam hr inspect 780
Published: 2013/08/07
Channel: multisaleseurope
Quick look inside Porsche 996 engine
Quick look inside Porsche 996 engine
Published: 2015/05/12
Channel: Van Svenson
Lasercutter short VarioCAM HD - InfraTec
Lasercutter short VarioCAM HD - InfraTec
Published: 2017/05/11
Channel: InfraTecAustria
JENOPTIK VarioCAM® High Definition - Defense & Civil Systems
JENOPTIK VarioCAM® High Definition - Defense & Civil Systems
Published: 2013/01/16
Channel: JenoptikGroup
Pferd mit Wärmebildkamera VarioCAM® hr research 680
Pferd mit Wärmebildkamera VarioCAM® hr research 680
Published: 2011/04/28
Channel: InfraTecAustria
Dark Forest Pedestrian w/ VarioCAM HD thermal camera
Dark Forest Pedestrian w/ VarioCAM HD thermal camera
Published: 2018/07/09
Channel: Stefan Korth
2002 911 cup with 3.8 mezger variocam
2002 911 cup with 3.8 mezger variocam
Published: 2018/06/23
Channel: Mike Stach
Fernwärmeleitungen aufgenommen mit VarioCAM HD
Fernwärmeleitungen aufgenommen mit VarioCAM HD
Published: 2017/06/02
Channel: InfraTecAustria
VarioCAM® HDx – Die Wärmebildkamera für den Einstieg in die Thermografie auf Spitzen-Niveau
VarioCAM® HDx – Die Wärmebildkamera für den Einstieg in die Thermografie auf Spitzen-Niveau
Published: 2018/03/12
Channel: InfraTecGmbH
Porsche Variable Valve  Camshaft Actuator solenoid
Porsche Variable Valve Camshaft Actuator solenoid
Published: 2017/04/01
Channel: M. Serry
KTM LC8 aufgenommen mit InfraTec VarioCAM hr 780
KTM LC8 aufgenommen mit InfraTec VarioCAM hr 780
Published: 2012/03/15
Channel: InfraTecAustria
Field surface temperature variations captured with a VarioCAM HD + 120 mm lens
Field surface temperature variations captured with a VarioCAM HD + 120 mm lens
Published: 2017/03/17
Channel: Stefan Korth
Lasercutter FULL - VarioCAM HD - InfraTec
Lasercutter FULL - VarioCAM HD - InfraTec
Published: 2017/05/11
Channel: InfraTecAustria
Porsche Boxster S engine rebuild 08
Porsche Boxster S engine rebuild 08
Published: 2008/06/23
Channel: glenn986s
Wärmebildkamera VarioCAM® High Definition von InfraTec - Spot
Wärmebildkamera VarioCAM® High Definition von InfraTec - Spot
Published: 2012/08/02
Channel: InfraTecGmbH
Caméra InfraTec haute définition - VarioCam HD Head
Caméra InfraTec haute définition - VarioCam HD Head
Published: 2012/11/06
Channel: Gwennaël Do
Wärmebildkamera VarioCAM® HDx im Einsatz
Wärmebildkamera VarioCAM® HDx im Einsatz
Published: 2017/12/15
Channel: InfraTecGmbH
Fledermaus aufgenommen mit Wärmebildkamera VarioCAM hr 780
Fledermaus aufgenommen mit Wärmebildkamera VarioCAM hr 780
Published: 2014/04/03
Channel: InfraTecAustria
Crazy rotating cap from vittel water. by Rollei vario cam
Crazy rotating cap from vittel water. by Rollei vario cam
Published: 2014/04/26
Channel: Petr Kleiner
Jenoptik VarioCAM HD Avalon 2013 FA18 Superhornet Bomb & Strafe Demo HD Thermal
Jenoptik VarioCAM HD Avalon 2013 FA18 Superhornet Bomb & Strafe Demo HD Thermal
Published: 2013/09/10
Channel: Infratherm - IR Technology
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
  (Redirected from VarioCam Plus)
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VarioCam is an automobile variable valve timing technology developed by Porsche. VarioCam varies the timing of the intake valves by adjusting the tension on the timing chain connecting the intake and exhaust camshafts. VarioCam was first used on the 1992 3.0 L engine in the Porsche 968.

Porsche's more recent VarioCam Plus combines variable valve timing with two-stage lift on the intake side. The two-stage valve-lift function is performed by electro-hydraulically operated switchable tappets. Each of these 12 tappets consists of concentric lifters which can be locked together by means of a pin. The inner lifter is actuated by a small cam lobe, while the outer ring element is moved by a pair of larger-profile lobes. The timing of each valve is seamlessly adjusted by means of an electro-hydraulically operated rotary vane adjuster at the head of each intake camshaft.

Valve timing and the valve profile are continuously altered according to conditions and engine load. For improved responsiveness on cold starts, VarioCam Plus raises the amount of lift and retards valve timing. At medium revs with minimal loads, the valve lift is lowered and timing advanced to help minimize fuel consumption and emissions. For maximum power and torque, the lift is raised and the timing is advanced.[1][2] This system debuted on the 1999 Porsche 996 Turbo.

A system similar to the VarioCam Plus system was developed by Porsche for Subaru for the redesigned EZ30R H6 engine which debuted in 2003 in the Legacy and Outback.[citation needed]

References[edit]

  1. ^ "Porsche VarioCam Plus". Drive - 911 GT3 Features. Retrieved April 7, 2008. 
  2. ^ "Shalco - VarioCam Plus". Shalco Motorsport. Retrieved April 7, 2008. 


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