Valve gear

Valve gear - mechanism that operates the inlet and exhaust valves of a steam engine. Article “Valve gear” in English Wikipedia has 42.5 points for quality (as of July 1, 2025). The article contains 12 references and 11 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 2.23 points.

This article has the best quality in German Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Valve gear”, its content was written by 56 registered users of English Wikipedia and edited by 221 registered Wikipedia users in all languages.

The article is cited 1713 times in English Wikipedia and cited 3693 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #57972 in September 2014
• Global: #48041 in December 2004

The highest popularity rank from 2008:

• Local (English): #242195 in January 2008
• Global: #218592 in November 2008

There are 8 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	German (de) Steuerung (Dampfmaschine)		44.4955
2	English (en) Valve gear		42.4534
3	Japanese (ja) 弁装置		15.0046
4	Czech (cs) Lokomotivní rozvody		10.7946
5	Russian (ru) Парораспределительный механизм		5.0199
6	Catalan (ca) Mecanisme de distribució		4.9036
7	Spanish (es) Distribución de válvula (máquina de vapor)		4.7662
8	French (fr) Distribution (locomotive)		2.2258

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Valve gear" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Valve gear		386 552
2	German (de) Steuerung (Dampfmaschine)		304 840
3	Japanese (ja) 弁装置		71 590
4	Russian (ru) Парораспределительный механизм		41 146
5	Czech (cs) Lokomotivní rozvody		33 771
6	Spanish (es) Distribución de válvula (máquina de vapor)		29 512
7	French (fr) Distribution (locomotive)		23 815
8	Catalan (ca) Mecanisme de distribució		4 070

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Valve gear" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Valve gear		2 237
2	German (de) Steuerung (Dampfmaschine)		718
3	Japanese (ja) 弁装置		205
4	Czech (cs) Lokomotivní rozvody		135
5	Russian (ru) Парораспределительный механизм		113
6	French (fr) Distribution (locomotive)		64
7	Spanish (es) Distribución de válvula (máquina de vapor)		25
8	Catalan (ca) Mecanisme de distribució		24

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Valve gear" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Steuerung (Dampfmaschine)		84
2	English (en) Valve gear		56
3	French (fr) Distribution (locomotive)		18
4	Czech (cs) Lokomotivní rozvody		16
5	Japanese (ja) 弁装置		14
6	Russian (ru) Парораспределительный механизм		13
7	Spanish (es) Distribución de válvula (máquina de vapor)		11
8	Catalan (ca) Mecanisme de distribució		9

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Valve gear" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) Mecanisme de distribució		0
2	Czech (cs) Lokomotivní rozvody		0
3	German (de) Steuerung (Dampfmaschine)		0
4	English (en) Valve gear		0
5	Spanish (es) Distribución de válvula (máquina de vapor)		0
6	French (fr) Distribution (locomotive)		0
7	Japanese (ja) 弁装置		0
8	Russian (ru) Парораспределительный механизм		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Valve gear" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Valve gear		1 713
2	German (de) Steuerung (Dampfmaschine)		1 398
3	Japanese (ja) 弁装置		371
4	Russian (ru) Парораспределительный механизм		102
5	French (fr) Distribution (locomotive)		48
6	Czech (cs) Lokomotivní rozvody		29
7	Spanish (es) Distribución de válvula (máquina de vapor)		26
8	Catalan (ca) Mecanisme de distribució		6

More...

#	Language	Value
ca	Catalan Mecanisme de distribució
cs	Czech Lokomotivní rozvody
de	German Steuerung (Dampfmaschine)
en	English Valve gear
es	Spanish Distribución de válvula (máquina de vapor)
fr	French Distribution (locomotive)
ja	Japanese 弁装置
ru	Russian Парораспределительный механизм

Best Rank

English: #242195 01.2008

Global: #218592 11.2008

Best Rank

English: #57972 09.2014

Global: #48041 12.2004

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information