Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
245 words
A dehumidifier comprising: a housing forming a passage having an inlet and an outlet; means for passing a current of humid gas through said passage from said inlet to said outlet; a plate-type evaporator in said passage traversed by said current; a plate-type condenser in said passage traversed by said current after it has passed through said evaporator, said evaporator and said condenser being connected in a closed coolant circuit; pump and valve means in said circuit for compressing a coolant fluid and feeding same to said condenser and thereafter feeding same to said evaporator, said evaporator being formed of a stack of generally similar and generally planar plates each formed with a plurality of regular corrugations having crests spaced from the plane of the respective plate and valleys at the respective plane, said plates being disposed in pairs with the valleys of one plate of each pair turned inwardly toward and registering with the valleys of the other plate of the pair, whereby a plurality of parallel passages are formed between the plates of each pair between the corrugations thereof, the crests of each plate turned toward plate being in line with the valleys thereof, whereby a plurality of nonstraight passages transverse to said parallel passages are formed between confronting plates of adjoining pairs, each of said plates being formed with a plurality of ridges projecting from the respective plate plane and abutting a respective ridge of the adjoining plate of the neighboring pair.
Claim 2
Dependent Claim
245 words
A dehumidifier comprising: a housing forming a passage having an inlet and an outlet; means for passing a current of humid gas through said passage from said inlet to said outlet; a plate-type evaporator in said passage traversed by said current; a plate-type condenser in said passage traversed by said current after it has passed through said evaporator, said evaporator and said condenser being connected in a closed coolant circuit; pump and valve means in said circuit for compressing a coolant fluid and feeding same to said condenser and thereafter feeding same to said evaporator, said evaporator being formed of a stack of generally similar and generally planar plates each formed with a plurality of regular corrugations having crests spaced from the plane of the respective plate and valleys at the respective plane, said plates being disposed in pairs with the valleys of one plate of each pair turned inwardly toward and registering with the valleys of the other plate of the pair, whereby a plurality of parallel passages are formed between the plates of each pair between the corrugations thereof, the crests of each plate turned toward plate being in line with the valleys thereof, whereby a plurality of nonstraight passages transverse to said parallel passages are formed between confronting plates of adjoining pairs, each of said plates being formed with a plurality of ridges projecting from the respective plate plane and abutting a respective ridge of the adjoining plate of the neighboring pair.
Claim 3
Dependent Claim
22 words
The dehumidifier defined in claim 1, wherein said evaporator further comprises a thin metallic foil sandwiched between the plates of each pair.
Claim 4
Dependent Claim
20 words
The dehumidifier defined in claim 2 wherein said foil is formed with a V-shaped projection at each of said ridges.
Claim 5
Dependent Claim
26 words
The dehumidifier defined in claim 1 wherein said passages are each formed with a narrow waist between said ridges, said waists constituting restrictions in said passages.
Claim 6
Dependent Claim
32 words
The dehumidifier defined in claim 1 wherein said pump and valve means are connected through said nonstraight passages for forcing said fluid therethrough, said humid gas being passed through said parallel passages.
Claim 7
Dependent Claim
29 words
The dehumidifier defined in claim 1 wherein said passages are inclined to the horizontal, said dehumidifier further comprising means for collecting condensate from the lower edges of said plates.
Claim 8
Dependent Claim
15 words
The dehumidifier defined in claim 1 wherein said condenser is substantially identical to said evaporator.
Claim 9
Dependent Claim
17 words
The dehumidifier defined in claim 1 wherein said pump and valve means are provided in said housing.
Claim 10
Dependent Claim
21 words
The dehumidifier defined in claim 8 wherein said means for passing a current of gas is a fan in said passage.