US2005235687A1PendingUtilityA1
Fan for a food freezer
Est. expiryApr 22, 2024(expired)· nominal 20-yr term from priority
Inventors:Ulf Jagaeus
F04D 29/329F04D 29/023F04D 29/34F05D 2300/43F05D 2300/171
39
PatentIndex Score
0
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Claims
Abstract
A fan for cold gas circulation in a food freezer has fan blades mounted on a hub. The hub is formed from two stainless steel plates, and the fan is formed by locating the fan blades situated between the stainless steel plates.
Claims
exact text as granted — not AI-modified1 . Fan for cold gas circulation in a food freezer, wherein the fan has fan blades mounted on a hub, wherein the hub is comprised of two stainless steel plates with the fan blades situated between them.
2 . Fan as claimed in claim 1 , wherein the stainless steel plates are circular disks.
3 . Fan as claimed in claim 1 , wherein the stainless steel plates are pentagonal, hexagonal or octagonal disks.
4 . Fan as claimed in claim 1 , wherein the stainless steel plates have cutouts.
5 . Fan as claimed in claim 1 , wherein the stainless steel plates are manufactured by laser method.
6 . Fan as claimed in claim 1 , wherein the stainless steel plates are milled.
7 . Fan as claimed in claim 1 , wherein the fan blades are made of plastic.
8 . Fan as claimed in claim 1 , wherein the fan blades are made of stainless steel.
9 . A fan for cold gas circulation in a food freezer, comprising:
two stainless steel fan hub plates; and a plurality of fan blades, wherein the stainless steel plates are spaced apart from one another on a concentric axis, and a hub end of each of the plurality of fan blades is located between the plates.Join the waitlist — get patent alerts
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