Overview
ISO 7967-5:2010 - part of the ISO 7967 series - establishes a standardized vocabulary for cooling systems used in reciprocating internal combustion engines. Published in 2010 (third edition), this international standard defines terms, grouping conventions and component names for engine cooling - enabling consistent technical communication across design, manufacture, testing, maintenance and documentation.
Key facts:
- Title: Reciprocating internal combustion engines - Vocabulary of components and systems - Part 5: Cooling systems
- Purpose: standardize terminology for engine cooling systems (liquid, evaporative, oil, air/oil combinations, etc.)
- Format: bilingual (English/French) with figures and alphabetical indexes
Key topics and technical scope
ISO 7967-5 focuses on controlled, repeatable terms rather than prescriptive performance requirements. Major topics covered include:
- Cooling system grouping - classification of cooling system types and architectures (examples shown in diagrams).
- Terms and definitions - precise definitions for cooling system types such as:
- liquid cooling, evaporative cooling, single evaporative cooling, evaporative cooling with additional tank, evaporative cooling with condenser
- circulative cooling, convective cooling, force‑feed cooling, open‑circuit force‑feed, single‑circuit force‑feed
- Cooling system components - standardized component names (pump, condenser, tank, coolant, etc.) are defined in a later clause.
- Supporting materials - normative references (notably ISO 2710 for engine classification), figures, English/French alphabetical indexes.
The standard permits reproduction of its defined terms and definitions for educational and implementation uses, subject to ISO copyright conditions.
Practical applications and users
ISO 7967-5 is specifically valuable for:
- Engine OEMs and suppliers - consistent product specifications, parts lists and design reviews.
- Technical writers and translators - standardized terminology for manuals, service guides and multilingual documentation.
- Test laboratories and certification bodies - clear term usage in test reports and regulatory filings.
- Maintenance and training providers - educational materials and training curricula.
- Standards developers and regulatory agencies - cross-referencing and aligning definitions across standards.
Using ISO 7967-5 reduces ambiguity in procurement documents, engineering drawings and international collaboration by ensuring all stakeholders use the same vocabulary for cooling-system components and layouts.
Related standards
- ISO 7967 (series) - Parts 1–9 cover other engine systems (structure, running gear, valves, lubrication, starting, control, etc.).
- ISO 2710 - classification and basic terms for reciprocating internal combustion engines (normative reference).
Keywords: ISO 7967-5, engine cooling vocabulary, reciprocating internal combustion engines, evaporative cooling, liquid cooling, circulative cooling, force-feed cooling, cooling system components.
Open preview (PDF)Reciprocating internal combustion engines — Vocabulary of components and systems — Part 5: Cooling systems
