Floating seal system for rotary devices

Patent · Sat Jan 01 04:00:00 EST 1983

OSTI ID:864674

Banasiuk, Hubert A ^[1]

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1. Chicago, IL

This invention relates to a floating seal system for rotary devices to reduce gas leakage around the rotary device in a duct and across the face of the rotary device to an adjacent duct. The peripheral seal bodies are made of resilient material having a generally U-shaped cross section wherein one of the legs is secured to a support member and the other of the legs forms a contacting seal against the rotary device. The legs of the peripheral seal form an extended angle of intersection of about 10.degree. to about 30.degree. in the unloaded condition to provide even sealing forces around the periphery of the rotary device. The peripheral seal extends around the periphery of the support member except where intersected by radial seals which reduce gas leakage across the face of the rotary device and between adjacent duct portions. The radial seal assembly is fabricated from channel bars, the smaller channel bar being secured to the divider of the support member and a larger inverted rigid floating channel bar having its legs freely movable over the legs of the smaller channel bar forming therewith a tubular channel. A resilient flexible tube is positioned within the tubular channel for substantially its full length to reduce gas leakage across the tubular channel. A spacer extends beyond the face of the floating channel near each end of the floating channel a distance to provide desired clearance between the floating channel and the face of the rotary device.

• Research Organization: Institute of Gas Technology
• DOE Contract Number: AC03-77CS34495
• Assignee: Institute of Gas Technology (Chicago, IL)
• Patent Number(s): US 4399863
• OSTI ID: 864674
• Country of Publication: United States
• Language: English

Related Subjects

/165/62/277/
10
30
adjacent
angle
assembly
bar
bars
bodies
channel
clearance
condition
contacting
degree
desired
device
devices
distance
divider
duct
extended
extends
fabricated
flexible
flexible tube
floating
floating seal
forces
form
forming
forms
freely
gas
gas leak
gas leakage
intersected
intersection
inverted
larger
leakage
legs
length
material
movable
near
peripheral
peripheral seal
periphery
portions
positioned
provide
radial
reduce
relates
resilient
resilient material
rigid
rotary
rotary device
rotary devices
seal
seal assembly
seal form
sealing
seals
section
secured
spacer
substantially
support
therewith
tube
tubular
tubular channel
u-shaped
unloaded