PCV (motors)

Crankcase ventilation system - system to relieve pressure in a combustion engine's crankcase. Article “PCV (motors)” in Catalan Wikipedia has 18.4 points for quality (as of July 1, 2025). The article contains 3 references and 4 sections.

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

Since the creation of article “PCV (motors)”, its content was written by 1 registered users of Catalan Wikipedia and edited by 199 registered Wikipedia users in all languages.

The highest Authors Interest rank from 2001:

• Local (Catalan): #8178 in July 2022
• Global: #72302 in October 2019

The highest popularity rank from 2008:

• Local (Catalan): #72534 in November 2024
• Global: #69096 in August 2009

There are 13 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	English (en) Crankcase ventilation system		44.6421
2	Vietnamese (vi) Hệ thống thông khí hộp trục khuỷu		35.1313
3	Catalan (ca) PCV (motors)		18.4136
4	German (de) Kurbelgehäuseentlüftung		15.5914
5	Spanish (es) Sistema de ventilación de gases del cárter (PCV)		14.4487
6	Portuguese (pt) Sistema de ventilação do cárter		12.9243
7	Japanese (ja) クランクケースブリーザー		12.5299
8	Ukrainian (uk) Система вентиляції картера		10.8948
9	Finnish (fi) Huohotin		4.6832
10	French (fr) Système de récupération des gaz du carter moteur		4.0284

More...

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

The most popular language versions of the article "PCV (motors)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Crankcase ventilation system		3 062 099
2	German (de) Kurbelgehäuseentlüftung		485 993
3	Japanese (ja) クランクケースブリーザー		330 200
4	Finnish (fi) Huohotin		146 728
5	Swedish (sv) Vevhusventilation		97 141
6	French (fr) Système de récupération des gaz du carter moteur		79 943
7	Dutch (nl) Carterventilatie		69 372
8	Spanish (es) Sistema de ventilación de gases del cárter (PCV)		64 032
9	Ukrainian (uk) Система вентиляції картера		28 518
10	Portuguese (pt) Sistema de ventilação do cárter		16 153

More...

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 "PCV (motors)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Crankcase ventilation system		8 679
2	German (de) Kurbelgehäuseentlüftung		933
3	Japanese (ja) クランクケースブリーザー		496
4	French (fr) Système de récupération des gaz du carter moteur		451
5	Finnish (fi) Huohotin		367
6	Swedish (sv) Vevhusventilation		243
7	Spanish (es) Sistema de ventilación de gases del cárter (PCV)		235
8	Portuguese (pt) Sistema de ventilação do cárter		201
9	Dutch (nl) Carterventilatie		157
10	Italian (it) Positive crankcase ventilation		93

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

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

#	Language	AI award	Relative AI
1	English (en) Crankcase ventilation system		107
2	German (de) Kurbelgehäuseentlüftung		26
3	Finnish (fi) Huohotin		12
4	Japanese (ja) クランクケースブリーザー		10
5	French (fr) Système de récupération des gaz du carter moteur		8
6	Swedish (sv) Vevhusventilation		8
7	Dutch (nl) Carterventilatie		7
8	Portuguese (pt) Sistema de ventilação do cárter		6
9	Italian (it) Positive crankcase ventilation		5
10	Vietnamese (vi) Hệ thống thông khí hộp trục khuỷu		4

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 "PCV (motors)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Vietnamese (vi) Hệ thống thông khí hộp trục khuỷu		1
2	Catalan (ca) PCV (motors)		0
3	German (de) Kurbelgehäuseentlüftung		0
4	English (en) Crankcase ventilation system		0
5	Spanish (es) Sistema de ventilación de gases del cárter (PCV)		0
6	Finnish (fi) Huohotin		0
7	French (fr) Système de récupération des gaz du carter moteur		0
8	Italian (it) Positive crankcase ventilation		0
9	Japanese (ja) クランクケースブリーザー		0
10	Dutch (nl) Carterventilatie		0

More...

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

Language versions of the article "PCV (motors)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) クランクケースブリーザー		800
2	English (en) Crankcase ventilation system		196
3	Vietnamese (vi) Hệ thống thông khí hộp trục khuỷu		43
4	German (de) Kurbelgehäuseentlüftung		18
5	Dutch (nl) Carterventilatie		18
6	Ukrainian (uk) Система вентиляції картера		13
7	French (fr) Système de récupération des gaz du carter moteur		9
8	Spanish (es) Sistema de ventilación de gases del cárter (PCV)		5
9	Italian (it) Positive crankcase ventilation		3
10	Portuguese (pt) Sistema de ventilação do cárter		3

More...

#	Language	Value
ca	Catalan PCV (motors)
de	German Kurbelgehäuseentlüftung
en	English Crankcase ventilation system
es	Spanish Sistema de ventilación de gases del cárter (PCV)
fi	Finnish Huohotin
fr	French Système de récupération des gaz du carter moteur
it	Italian Positive crankcase ventilation
ja	Japanese クランクケースブリーザー
nl	Dutch Carterventilatie
pt	Portuguese Sistema de ventilação do cárter
sv	Swedish Vevhusventilation
uk	Ukrainian Система вентиляції картера
vi	Vietnamese Hệ thống thông khí hộp trục khuỷu

Best Rank

Catalan: #72534 11.2024

Global: #69096 08.2009

Best Rank

Catalan: #8178 07.2022

Global: #72302 10.2019

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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