Motor de pistón libre

es

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Motor de pistón libre

Quality:

Free-piston engine - type of engine with no crank. Article “Motor de pistón libre” in Spanish Wikipedia has 29.2 points for quality (as of July 1, 2025). The article contains 18 references and 6 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Spanish) language version.

Since the creation of article “Motor de pistón libre”, its content was written by 3 registered users of Spanish Wikipedia and edited by 191 registered Wikipedia users in all languages.

The article is cited 8 times in Spanish Wikipedia and cited 561 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Spanish): #47242 in January 2016
  • Global: #14402 in July 2004

The highest popularity rank from 2008:

  • Local (Spanish): #238340 in February 2020
  • Global: #138197 in October 2008

There are 11 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Free-piston engine
46.5125
2German (de)
Freikolbenmaschine
39.4084
3Catalan (ca)
Motor de pistó lliure
36.3722
4French (fr)
Moteur à pistons libres
30.1081
5Spanish (es)
Motor de pistón libre
29.2313
6Finnish (fi)
Vapaamäntämoottori
16.6511
7Ukrainian (uk)
Вільно-поршневий двигун внутрішнього згоряння
15.8317
8Japanese (ja)
フリーピストンエンジン
12.1757
9Russian (ru)
Свободно-поршневой двигатель внутреннего сгорания
8.7351
10Portuguese (pt)
Motor de pistão livre
3.4862
More...

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

Most popular in all the time

The most popular language versions of the article "Motor de pistón libre" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Free-piston engine
636 222
2German (de)
Freikolbenmaschine
327 992
3Russian (ru)
Свободно-поршневой двигатель внутреннего сгорания
138 074
4French (fr)
Moteur à pistons libres
55 807
5Spanish (es)
Motor de pistón libre
20 999
6Portuguese (pt)
Motor de pistão livre
15 293
7Japanese (ja)
フリーピストンエンジン
7 406
8Korean (ko)
자유 피스톤 기관
1 146
9Ukrainian (uk)
Вільно-поршневий двигун внутрішнього згоряння
514
10Catalan (ca)
Motor de pistó lliure
511
More...

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

Most popular in June 2025

The most popular language versions of the article "Motor de pistón libre" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Free-piston engine
1 535
2German (de)
Freikolbenmaschine
396
3Russian (ru)
Свободно-поршневой двигатель внутреннего сгорания
385
4French (fr)
Moteur à pistons libres
107
5Spanish (es)
Motor de pistón libre
100
6Japanese (ja)
フリーピストンエンジン
99
7Finnish (fi)
Vapaamäntämoottori
49
8Ukrainian (uk)
Вільно-поршневий двигун внутрішнього згоряння
28
9Portuguese (pt)
Motor de pistão livre
25
10Catalan (ca)
Motor de pistó lliure
24
More...

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

The highest AI

Language versions of the article "Motor de pistón libre" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Freikolbenmaschine
81
2English (en)
Free-piston engine
59
3Russian (ru)
Свободно-поршневой двигатель внутреннего сгорания
16
4French (fr)
Moteur à pistons libres
14
5Portuguese (pt)
Motor de pistão livre
8
6Catalan (ca)
Motor de pistó lliure
4
7Spanish (es)
Motor de pistón libre
3
8Korean (ko)
자유 피스톤 기관
2
9Ukrainian (uk)
Вільно-поршневий двигун внутрішнього згоряння
2
10Finnish (fi)
Vapaamäntämoottori
1
More...

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

The highest AI in June 2025

Language versions of the article "Motor de pistón libre" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Motor de pistó lliure
0
2German (de)
Freikolbenmaschine
0
3English (en)
Free-piston engine
0
4Spanish (es)
Motor de pistón libre
0
5Finnish (fi)
Vapaamäntämoottori
0
6French (fr)
Moteur à pistons libres
0
7Japanese (ja)
フリーピストンエンジン
0
8Korean (ko)
자유 피스톤 기관
0
9Portuguese (pt)
Motor de pistão livre
0
10Russian (ru)
Свободно-поршневой двигатель внутреннего сгорания
0
More...

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

The highest CI

Language versions of the article "Motor de pistón libre" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Free-piston engine
168
2Russian (ru)
Свободно-поршневой двигатель внутреннего сгорания
146
3Catalan (ca)
Motor de pistó lliure
110
4German (de)
Freikolbenmaschine
55
5Portuguese (pt)
Motor de pistão livre
50
6French (fr)
Moteur à pistons libres
16
7Spanish (es)
Motor de pistón libre
8
8Japanese (ja)
フリーピストンエンジン
4
9Korean (ko)
자유 피스톤 기관
3
10Ukrainian (uk)
Вільно-поршневий двигун внутрішнього згоряння
1
More...

Scores

Estimated value for Wikipedia:
Spanish:
Global:
Popularity in June 2025:
Spanish:
Global:
Popularity in all years:
Spanish:
Global:
Authors in June 2025:
Spanish:
Global:
Registered authors in all years:
Spanish:
Global:
Citations:
Spanish:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
Motor de pistó lliure
deGerman
Freikolbenmaschine
enEnglish
Free-piston engine
esSpanish
Motor de pistón libre
fiFinnish
Vapaamäntämoottori
frFrench
Moteur à pistons libres
jaJapanese
フリーピストンエンジン
koKorean
자유 피스톤 기관
ptPortuguese
Motor de pistão livre
ruRussian
Свободно-поршневой двигатель внутреннего сгорания
ukUkrainian
Вільно-поршневий двигун внутрішнього згоряння

Popularity rank trends

Best Rank Spanish:
#238340
02.2020
Global:
#138197
10.2008

AI rank trends

Best Rank Spanish:
#47242
01.2016
Global:
#14402
07.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Free-piston engine from Wikipedia articles about Opposed-piston engine, Flat engine, Reciprocating engine, Free-piston linear generator and Pile driver. Whereas reading the article about Free-piston engine people most often go to Wikipedia articles on Free-piston linear generator, Stelzer engine, Pulse tube refrigerator, Split cycle engine and Opposed-piston engine.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 10 March 2026

On 10 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Iran, Mojtaba Khamenei, Enhypen, Ali Khamenei, Strait of Hormuz, Jeffrey Epstein, 2026 Iran war, 2026 World Baseball Classic, Donald Trump, World Baseball Classic.

In Spanish Wikipedia the most popular articles on that day were: Raúl del Pozo, José Manuel Restrepo Abondano, Taz Skylar, Aida Quilcué, Willie Colón, Paloma Valencia, Alfredo Bryce Echenique, Elecciones presidenciales de Colombia de 2026, Enhypen, Jorge Drexler.

About WikiRank

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