Elastomeric strut for an elastomeric riser tensioner

Details Elastomeric strut for an elastomeric riser tensioner Elastomeric strut for an elastomeric riser tensioner

1994-01-10

1995-07-18

Graham, Matthew C.

Spring devices

Resilient shock or vibration absorber

Nonmetallic, resilient element

267 35, 267293, 267294, F16F 712

Patent

active

054334233

ABSTRACT:
To overcome problems with the pistons of an energy cell rotating and becoming misaligned with one another in response to the forces exerted on the energy cell by a riser tensioner system, a two-piece elastomeric spring is disposed about each piston to create an elastomeric strut. Each piece of the spring is composed of a plurality of elastomeric layers separated by relatively inelastic spacers. These springs facilitate the longitudinally flexing of the elastomeric strut while substantially preventing rotation and misalignment in the radial direction.

REFERENCES:
patent: 2068279 (1937-01-01), Piron
patent: 2762600 (1956-09-01), Mordarski et al.
patent: 2927786 (1960-03-01), Templeton
patent: 3831920 (1974-08-01), Meldrum et al.
patent: 3831922 (1974-08-01), Appleton
patent: 4084801 (1978-04-01), Landers et al.
patent: 4577842 (1986-03-01), Shtarkman
patent: 4603843 (1988-08-01), Bechu
patent: 4662791 (1987-05-01), Spicer

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