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- Publisher
- Emerald Publishing
- Copyright
- Copyright © Emerald Group Publishing Limited
- ISSN
- 0002-2667
- DOI
- 10.1108/eb030258
- Publisher site
- See Article on Publisher Site
Abstract
A split or undivided castiron, etc., packingring F for junk heads of sleevevalve engines is supported in a groove open towards the end of the head by a steel, etc., spring ring E engaging grooves in the ring and head. Removal of an undivided ring is effected by a sleeve G engaged over the ring and carrying screws G1 by means of which the inner ring can be compressed. When a split ring is used, the edges of the split are cut away to avoid fouling ports in the valve. Alternatively, the ring is locked with its split out of register with the ports, by a radial pin F3 secured by a rivet F4.
Journal
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Dec 1, 1937