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Title: Roller belleville spring damper

Abstract

A double acting damper for use in rotary drilling includes a splined tubular telescopic joint and employs plural paralleled stacks of double acting series stacked roller belleville spring washers in an annular pocket between the inner and outer tubular members of the joint. The springs, spline and telescopic bearings are in an oil filled volume sealed from the outside by a pressure seal at the lower end of the damper and a floating seal at the upper end. Electric and magnetic means are provided to check on the condition and quantity of the lubricant.

Inventors:
Publication Date:
OSTI Identifier:
5996299
Patent Number(s):
US 4276947
Assignee:
Smith International Inc
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 14 May 1979
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; ROTARY DRILLING; EQUIPMENT; ROTARY DRILLS; DAMPING; MECHANICAL VIBRATIONS; DESIGN; EQUIPMENT PROTECTION DEVICES; OIL WELLS; DRILLING; DRILLING EQUIPMENT; DRILLS; WELLS; 020300* - Petroleum- Drilling & Production

Citation Formats

Hebel, J B. Roller belleville spring damper. United States: N. p., 1981. Web.
Hebel, J B. Roller belleville spring damper. United States.
Hebel, J B. 1981. "Roller belleville spring damper". United States.
@article{osti_5996299,
title = {Roller belleville spring damper},
author = {Hebel, J B},
abstractNote = {A double acting damper for use in rotary drilling includes a splined tubular telescopic joint and employs plural paralleled stacks of double acting series stacked roller belleville spring washers in an annular pocket between the inner and outer tubular members of the joint. The springs, spline and telescopic bearings are in an oil filled volume sealed from the outside by a pressure seal at the lower end of the damper and a floating seal at the upper end. Electric and magnetic means are provided to check on the condition and quantity of the lubricant.},
doi = {},
url = {https://www.osti.gov/biblio/5996299}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 07 00:00:00 EDT 1981},
month = {Tue Jul 07 00:00:00 EDT 1981}
}