# Sliding spool design for reducing the actuation forces in direct operated proportional directional valves: Experimental validation

> Research article (Energy Conversion and Management, 2016) · cited 92× · AI/ML

**Wikidata**: [openalex:W2345414523](https://www.wikidata.org/wiki/openalex:W2345414523)  
**Source**: https://4ort.xyz/entity/sliding-spool-design-for-reducing-the-actuation-forces-in-direct-operated-proportional-directional-valves-experimental-v