Piston ring assembly

Details Piston ring assembly Piston ring assembly

1976-10-28

1978-08-22

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 902

Patent

active

041084489

ABSTRACT:
Disclosed is a piston ring including a spacer-expander spring member. In a preferred embodiment the ring is of cast iron and includes two axially spaced cylinder wall contacting lands. At least one generally rectangular inwardly facing spring receiving recess is formed in the interior wall of the ring to receive the spring member which is formed from a flat strip of metal in a "U" configuration with the legs thereof facing outwardly, peferably aligned with the lands on the ring. A plurality of slots are provided in the spring member dividing the periphery into a plurality of feet. In a preferred embodiment the feet are radiused as seen in plan view to a radius less than the radius of the pocket in which they fit. This has been found to reduce wear in the spring receiving groove and to reduce the tendency of the ring and spring to become united which is detrimental to performance and is a common problem in rings of this general type.

REFERENCES:
patent: 2729524 (1956-01-01), Prasse
patent: 3191946 (1965-06-01), Hamm
patent: 3281156 (1966-10-01), Mayhew et al.

Affiliated with

Also associated with

Rating

Piston ring assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Piston ring assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Piston ring assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1553759