Compact control unit for air distributing systems

Claim 2

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, an air mixing valve and a duct and an air volume regulator successively arranged and interconnected for the flow of air therethrough and each being positioned within said housing and out of contact with said opposing pairs of side walls of said housing, said air mixing valve being secured to and supported by said end wall of said housing for receiving the respective airstreams from said pair of air inlets, and said duct having flanged opposited ends and a minimum length in the direction of air flow therethrough of about six inches and having one flanged end secured to the outlet side of said air mixing valve and having its other flanged end secured to said air volume regulator so as to support the regulator In said out of contact relation with the side walls of the housing and to dampen the vibrations produced during the flow of air through the air volume regulator and to thereby reduce noises created thereby being transmitted to said housing.

Claim 3

Apparatus according to claim 1, wherein said air mixing valve comprises a substantially rectangular frame defining a pair of air passages therethrough communicating with the respective air inlets in said end wall of said housing, motive means carried by said frame and positioned within said duct, a pair of groups of louver blades pivotally mounted in the respective air passages for controlling the flow of the airstreams therethrough, and means operatively connecting said motive means to said groups of louver blades for moving the same so that one group is moved toward an open position as the other group is moved toward a closed position and vice versa.

Claim 4

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, an air mixing valve and a duct and an air volume regulator successively arranged and interconnected for the flow of air therethrough and each being positioned within said housing and out of contact with said opposing pairs of side walls of said housing, said air mixing valve being secured to and supported by said end wall of said housing for receiving the respective airstreams from said pair of inlets, and said duct having flanged opposite ends and a minimum length in the direction of air flow therethrough of about 6 inches and having one flanged end secured to the outlet side of said air mixing valve and having its other flanged end secured to said air volume regulator so as to support the regulator in said out of contact relation with the side walls of the housing and to dampen the vibrations produced during the flow of air through air volume regulator and to thereby reduce noises created thereby being transmitted to said housing, and said duct having walls convergingly arranged toward said air volume regulator and defining an expansion and mixing chamber for the airstreams emerging from the air mixing valve.

Claim 5

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, an air mixing valve and a duct and an air volume regulator successively arranged and interconnected for the flow of air therethrough and each being positioned within said housing and out of contact with said opposing pairs of side walls of said housing, said air mixing valve being secured to and supported by said end wall of said housing for receiving the respective airstreams from said pair of inlets, and said duct having flanged opposite ends and a minimum length in the direction of air flow therethrough of about 6 inches and having one flanged end secured to the outlet side of said air mixing valve and having its other flanged end secured to said air volume regulator so as to support the regulator in said out of contact relation with the side walls of the housing and to dampen the vibrations produced during the flow of air through air volume regulator and to thereby reduce noises created thereby being transmitted to said housing, and said duct having walls convergingly arranged toward said air volume regulator and defining an expansion and mixing chamber for the airstreams emerging from the air mixing valve.

Claim 6

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, said housing containing therein an air mixing valve and a duct and an air volume regulator successively arranged for the flow of air therethrough and fastened together in abutting relation and positioned out of contact with said opposing pairs of side walls of said housing, said air mixing valve including a frame defining a housing having a pair of air passages therethrough and communicating with the respective pair of inlets, and a pair of groups of louver blades carried by said frame and positioned in the respective air passages for mixing and controlling the volume of the respective airstreams emerging from said pair of air passages, motive means operatively connected to said pair of groups of louver blades for moving the same so that one group of louver blades is moved toward an open position as the other group of louver blades is moved toward a closed position and vice versa, means responsive to movement of either group of louver blades toward and into closed position for exerting an opposing force thereon for aiding in subsequently moving the respective group of louver blades in the opposite direction against the force of an airstream impinging thereon, and said frame of said air mixing valve being secured to and supported by said end wall of said housing to, in turn, support said duct and said air volume regulator fastened together therewith in said out of contact relation with the side walls of the housing.

Claim 7

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, said housing containing therein an air mixing valve and a duct and an air volume regulator successively arranged for the flow of air therethrough and fastened together in abutting relation and positioned out of contact with said opposing pairs of side walls of said housing, said air mixing valve including a frame defining a housing having a pair of air passages therethrough and communicating with the respective pair of inlets, and a pair of groups of louver blades carried by said frame and positioned in the respective air passages for mixing and controlling the volume of the respective airstreams emerging from said pair of air passages, motive means operatively connected to said pair of groups of louver blades for moving the same so that one group of louver blades is moved toward an open position as the other group of louver blades is moved toward a closed position and vice versa, means responsive to movement of either group of louver blades toward and into closed position for exerting an opposing force thereon for aiding in subsequently moving the respective group of louver blades in the opposite direction against the force of an airstream impinging thereon, and said frame of said air mixing valve being secured to and supported by said end wall of said housing to, in turn, support said duct and said air volume regulator fastened together therewith in said out of contact relation with the side walls of the housing.

Claim 8

A compact control unit for an air distributing system including a housing having opposing pairs of side wAlls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, an air mixing valve including a frame supported on said end wall and projecting into said housing out of contact with said opposing pairs of side walls thereof, said air mixing valve having a pair of air passages therethrough communicating with the respective air inlets and having respective louver blades therein arranged to direct the airstreams into converging relation as they emerge from said passages to induce mixing of the airstreams, an air volume regulator spaced downstream from said mixing valve and positioned within said housing and out of contact with said opposing pairs of side walls thereof and having a pair of opposing perforate walls and associated curtain means for controlling the volume of air emerging from said volume regulator into said housing, said volume regulator having an open air-ingress end, a duct having flanged opposite ends and a minimum length in the direction of air flow therethrough of about six inches and having one flanged end secured to said frame of said air mixing valve and having its other flanged end secured to said air-ingress end of said volume regulator for supporting said volume regulator, and said duct also being out of contact with the opposing pairs of walls of said housing and serving as an expansion and mixing chamber for the airstreams in their course therethrough from said mixing valve to said volume regulator and also serving to dampen the vibrations produced during the flow of air through the air volume regulator and to thereby reduce noises created thereby being transmitted to said housing.

Claim 9

A compact control unit for an air distributing system including a housing having opposing pairs of side wAlls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, an air mixing valve including a frame supported on said end wall and projecting into said housing out of contact with said opposing pairs of side walls thereof, said air mixing valve having a pair of air passages therethrough communicating with the respective air inlets and having respective louver blades therein arranged to direct the airstreams into converging relation as they emerge from said passages to induce mixing of the airstreams, an air volume regulator spaced downstream from said mixing valve and positioned within said housing and out of contact with said opposing pairs of side walls thereof and having a pair of opposing perforate walls and associated curtain means for controlling the volume of air emerging from said volume regulator into said housing, said volume regulator having an open air-ingress end, a duct having flanged opposite ends and a minimum length in the direction of air flow therethrough of about six inches and having one flanged end secured to said frame of said air mixing valve and having its other flanged end secured to said air-ingress end of said volume regulator for supporting said volume regulator, and said duct also being out of contact with the opposing pairs of walls of said housing and serving as an expansion and mixing chamber for the airstreams in their course therethrough from said mixing valve to said volume regulator and also serving to dampen the vibrations produced during the flow of air through the air volume regulator and to thereby reduce noises created thereby being transmitted to said housing.

Claim 10

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, said housing containing therein an air mixing valve and a duct and an air volume regulator successively arranged for the flow of air therethrough and fastened together in abutting relation and each being positioned out of contact with said opposing pairs of side walls of said housing, said air mixing valve including a frame defining a housing having a pair of air passages therethrough and communicating with the respective pair of inlets, and a pair of groups of louver blades carried by said frame and positioned in the respective air passages for mixing and controlling the volume of the respective airstreams emerging from said pair of air passages, said frame of said air mixing valve being secured to and supported by said end wall of said housing, and said duct having flanged opposite ends and a minimum length in the direction of air flow therethrough of about 6 inches and having one flanged end secured to the outlet side of said air mixing valve and having its other flanged end secured to said air volume regulator so as to support the regulator in said out of contact relation with the side walls of the housing and to dampen the vibrations produced during the flow of air through the air volume regulator and to thereby reduced noises created thereby being transmitted to said housing.

Claim 11

A compact control unit for an air distributing system comprising a housing having opposing pairs of side walls and an end wall, said end wall having a pair of air inlets for the flow of respective airstreams therethrough, said housing containing therein an air mixing valve and a duct and an air volume regulator successively arranged for the flow of air therethrough and fastened together in abutting relation and each being positioned out of contact with said opposing pairs of side walls of said housing, said air mixing valve including a frame defining a housing having a pair of air passages therethrough and communicating with the respective pair of inlets, and a pair of groups of louver blades carried by said frame and positioned in the respective air passages for mixing and controlling the volume of the respective airstreams emerging from said pair of air passages, said frame of said air mixing valve being secured to and supported by said end wall of said housing, and said duct having flanged opposite ends and a minimum length in the direction of air flow therethrough of about 6 inches and having one flanged end secured to the outlet side of said air mixing valve and having its other flanged end secured to said air volume regulator so as to support the regulator in said out of contact relation with the side walls of the housing and to dampen the vibrations produced during the flow of air through the air volume regulator and to thereby reduced noises created thereby being transmitted to said housing.