Variable valve timing (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Variable valve timing" in English language version.

refsWebsite

Global rank English rank

1,459^th place

991^st place

2freepatentsonline.com

5,449^th place

3,875^th place

6^th place

6^th place

2books.google.com

3^rd place

3^rd place

2howstuffworks.com

840^th place

635^th place

882^nd place

600^th place

207^th place

136^th place

1practicalmachinist.com

low place

low place

800^th place

676^th place

1cranfield.ac.uk

low place

low place

2,174^th place

1,291^st place

222^nd place

297^th place

2^nd place

2^nd place

1alfaspiderfaq.org

low place

low place

low place

low place

1marineenginedigest.com

low place

low place

low place

low place

low place

9,831^st place

1sandsmuseum.com

low place

low place

1mechadyne-int.com

low place

low place

7^th place

7^th place

alfaspiderfaq.org

"Alfa Romeo Spider FAQ" (PDF). alfaspiderfaq.org. Retrieved 29 November 2008.

archive.org

Rees, Chris (2001). Original Alfa Romeo Spider. MBI Publishing 2001. p. 102. ISBN 0-7603-1162-5.
Lumley, John L. (1999). Engines - An Introduction. Cambridge UK: Cambridge University Press. pp. 63–64. ISBN 0-521-64277-9.

autoguide.com

"Geneva 2010: Mitsubishi ASX (Outlander Sport) Debuts in Geneva", autoguide.com

autospeed.com

"Autospeed Valvetronic Article". Retrieved 17 January 2012.

books.google.com

Wade, Adam (2004). Motorcycle Fuel Injection Handbook. MotorBooks International. pp. 149–150. ISBN 1610590945.
Bennett, Sean (1 January 2016). Medium/Heavy Duty Truck Engines, Fuel & Computerized Management Systems. ISBN 9781305578555.

cranfield.ac.uk

naca.central.cranfield.ac.uk

Arthur W., Gardiner; William E. Whedon (25 February 1927). "REPORT No. 272: THE RELATIVE PERFORMANCE OBTAINED WITH SEVERAL METHODS OF CONTROL OF AN OVERCOMPRESSED ENGINE USING GASOLINE" (PDF). Langley Aeronautical Laboratory.

doi.org

Crolla, David; Foster, David E.; Kobayashi, Toshio; Vaughan, Nicholas, eds. (17 April 2014). "Trends—Spark Ignition". Encyclopedia of Automotive Engineering (1 ed.). Wiley. doi:10.1002/9781118354179.auto143. ISBN 978-0-470-97402-5.

epa.gov

US EPA, OAR (9 September 2016). "Regulations for Greenhouse Gas Emissions from Passenger Cars and Trucks". www.epa.gov. Retrieved 12 July 2022.

espacenet.com

worldwide.espacenet.com

Improvements in Valve Gear for Single-Acting Steam Engines, UK Patent 190005128, 1900, "Espacenet".

freepatentsonline.com

"VALVE-ACTUATING MECHANISM FOR AN INTERNAL COMBUSTION ENGINE". freepatentsonline.com. Retrieved 12 January 2011.
"Timing variator for the timing system of a reciprocating internal combustion engine". freepatentsonline.com. Retrieved 12 January 2011.

howstuffworks.com

howstuffworks.com

howstuffworks.com

auto.howstuffworks.com

"HowStuffWorks - Ferrari 3D cam article". 13 December 2000. Retrieved 17 January 2012.

jalopnik.com

"The Forgotten Story Of Cadillac's Brass Era VTEC". Jalopnik. G/O media. Retrieved 12 January 2021.

marineenginedigest.com

"Volvo Penta Variable Valve Timing (VVT)". www.marineenginedigest.com. Retrieved 27 October 2012.

mechadyne-int.com

"Mechadyne VLD" (PDF). Retrieved 17 January 2012.

nytimes.com

Sherman, Don (14 January 2007). "Making Modern Horsepower the Old-Fashioned Way". New York Times. New York Times. Retrieved 23 April 2025.

practicalmachinist.com

"Variable Valve Timing - 1886 - Practical Machinist". Practical Machinist. Retrieved 4 April 2010.. This discusses the valve gear of the W & F Wills Patent Brickworks engine.

psu.edu

citeseerx.ist.psu.edu

Hong, H. (2004). Review and analysis of variable valve timing strategies - eight ways to approach. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 218(10), 1179–1200. Available at citeseerx.ist.psu.edu (accessed on 2022-04-29)

sandsmuseum.com

"Rover VVC Article" (PDF). Retrieved 17 January 2012.

uspto.gov

patimg2.uspto.gov

"USPTO 5052350". Retrieved 17 January 2012.
"USPTO 5642692". Retrieved 17 January 2012.
"USPTO 6832586". Retrieved 17 January 2012.

patimg1.uspto.gov

"USPTO 4771742". Retrieved 17 January 2012.

vtec.net

asia.vtec.net

asia.vtec.net

wiley.com

onlinelibrary.wiley.com

Crolla, David; Foster, David E.; Kobayashi, Toshio; Vaughan, Nicholas, eds. (17 April 2014). "Trends—Spark Ignition". Encyclopedia of Automotive Engineering (1 ed.). Wiley. doi:10.1002/9781118354179.auto143. ISBN 978-0-470-97402-5.