Skew and twist resistant hydrodynamic rotary shaft seal

Patent · 01 January 1999

OSTI ID:872160

Dietle, Lannie ^[1]; Kalsi, Manmohan Singh ^[2]

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1. Sugar Land, TX
2. Houston, TX

A hydrodynamically lubricated squeeze packing type rotary shaft seal suitable for lubricant retention and environmental exclusion which incorporates one or more resilient protuberances which and cooperate with the gland walls to hold the seal straight in its installation groove in unpressurized and low pressure lubricant retention applications thereby preventing skew-induced wear caused by impingement of abrasive contaminants present in the environment, and which also serve as radial bearings to prevent tipping of the seal within its installation gland.

• Research Organization: Kalsi Engineering, Inc. (Sugar Land, TX)
• DOE Contract Number: FG03-90ER80939
• Assignee: Kalsi Engineering, Inc. (Sugar Land, TX)
• Patent Number(s): US 5873576
• OSTI ID: 872160
• Country of Publication: United States
• Language: English

Related Subjects

/277/
abrasive
applications
bearings
caused
contaminants
cooperate
environment
environmental
exclusion
gland
groove
hold
hydrodynamic
hydrodynamic rotary
hydrodynamically
impingement
incorporates
installation
lubricant
lubricated
packing
pressure
prevent
preventing
protuberances
radial
radial bearing
resilient
resistant
retention
rotary
rotary shaft
seal
serve
shaft
shaft seal
skew
skew-induced
squeeze
straight
suitable
tipping
twist
type
type rotary
unpressurized
walls
wear