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US 5,649,813 AGranted
Chamber insulation for prevention of icing in air motors
AssigneeIngersoll-Rand Company
InventorsStephen D. Able, Douglas D. Purdy, Nicholas Kozumplik, Jr.
Life of this patent
Estimating the term…
Abstract
Insulation is provided in the form of wall insulation, piston or diaphragm insulation and/or piston rod and/or diaphragm washer insulation to increase the temperature in the working air chamber of an air motor of the piston or diaphragm type to reduce the formation of ice on exhaust.
Claims12
A reduced ice forming pneumatic fluid motor comprising:
- a main housing having a first interior wall and a first movable partition supported by said housing, said first interior wall and first movable portion together defining a first chamber having an expandable volume, said first chamber being provided with means for receiving a compressed fluid and means for expanding said fluid to produce motive force, means for exhausting expanded fluid from said first chamber, and discrete insulation means for impeding heat transfer from said first chamber to an area outside of said first chamber to conserve heat in said first chamber, said insulation means including a stationary portion along the first interior wall and a movable portion along the movable partition, said movable portion being movable relative to said stationary portion, said movable and stationary portions being joined by an edge.
A reduced ice forming pneumatic fluid motor comprising:
- a) a housing having an interior wall and a movable partition supported by said housing, said interior wall and first movable portion together defining an interior chamber having an expandable volume;
- b) means for receiving a compressed fluid in said chamber;
- c) means for expanding said compressible fluid to produce motive force,
- d) means for exhausting expanded fluid from said chamber, and
- e) a discrete insulation layer located along the interior of the housing, the insulation layer comprising a stationary portion along the interior wall and a movable portion along the movable partition, said movable portion being movable relative to said stationary portion, said movable and stationary portions being joined by an edge.
2 more elements
Dependencies are inferred from the claim text.