TS ISO 6621-1
Internal combustion engines - Piston rings - Part 1: Vocabulary
This part of ISO 6621 defines the most commonly used terms for piston rings. These terms designate either
types of piston rings or certain characteristics and phenomena of piston rings.
The terms and definitions in this part of ISO 6621 apply to piston rings for reciprocating internal combustion
engines. They may also be used for piston rings of compressors working under analogous conditions.
NOTE 1 Further terms and definitions covering measuring principles are given in ISO 6621-2.
NOTE 2 In addition to terms given in the three official ISO languages (English, French and Russian), this part of
ISO 6621 gives the equivalent terms in the German, Spanish, Portuguese, Italian and Japanese languages. However, only
the terms given in the official languages can be considered as ISO terms.
These have been included at the request of Technical Committee ISO/TC 22 and are published under the responsibility of
the member bodies for Germany (DIN), Spain (AENOR), Portugal (IPQ), Italy (UNI) and Japan (JIS).
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About This Item
TS ISO 6621-1 is a terminology standard for the common technical language used with piston rings in internal combustion engines. Because piston rings play a central role in sealing, oil control, and heat transfer between the piston and cylinder wall, consistent terminology matters in design, manufacturing, measurement, and technical communication.
What the vocabulary covers
The standard defines widely used terms that identify piston-ring types, certain characteristics, and related phenomena. Its terms and definitions apply to piston rings for reciprocating internal combustion engines, and the same vocabulary may also be used for compressor piston rings operating under analogous conditions. In other words, this is primarily a controlled vocabulary, not a performance or test standard.
Measurement terms and language coverage
The notes indicate that additional terms and definitions covering measuring principles are given in ISO 6621-2. The standard also includes equivalent terms in German, Spanish, Portuguese, Italian, and Japanese, alongside the three official ISO languages: English, French, and Russian. Only the terms given in the official languages can be considered ISO terms; the others support multilingual technical exchange.
From a general engineering perspective, vocabulary standards help prevent ambiguity when discussing ring profiles, functional characteristics, or related operating phenomena. That clarity is especially useful where the same component is specified across different teams, suppliers, or languages.
- Publication Date: 18.02.2016
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.040.43 Karayolu Taşıtları Mühendisliği (Terimler); 43.060.10 Motor Bloku ve İç Elemanları
- Pages: 38
- Source Standard: ISO 6621-1:2007
- International Equivalents:
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