Daper drive for ventilator system

Claim 2

A ventilator system comprising: A. a ventilator compartment; B. first and second inlet ducts disposed adjacent one another and having outlets terminating in a common plane in said compartment; C. a damper assembly disposed in said compartment at the outlet of said first and second ducts and in the common outlet plane; D. said damper assembly having first and second sections associated with said first and second ducts, respectively, and said damper assembly having:

Claim 3

a plurality of parallel damper shafts extending over the dimension of said first and

Claim 4

a plurality of parallel damper shafts extending over the dimension of said first and

Claim 5

A ventilator system comprising: A. a ventilator compartment; B. first and second inlet ducts disposed adjacent one another and having outlets terminating in a common plane in said compartment; C. a damper assembly disposed in said compartment at the outlet of said first and second ducts and in the common outlet plane; D. said damper assembly having first and second sections associated with said first and second ducts, respectively, and said damper assembly having: 1. a plurality of parallel damper shafts extending over the dimension of said first and 2. a plurality of damper blades mounted on said shaft, the blades for said first section being mounted parallel with each other but in angular relation to the mutually parallel blades for said second section, 3. a plurality of crank arms each mounted on one of said damper shafts, 4. a damper connecting rod operatively interconnecting with each of said crank arms on said shafts for simultaneous synchronized damper modulating movement, and 5. a first quadrant gear mounted on one of said damper shafts, said gear lying in a plane perpendicular to the axis of said damper shafts; E. a motor in said compartment fixedly mounted with respect to said damper assembly and having an output shaft; and F. a second quadrant gear mounted on said motor output shaft and operably engaged with said first quadrant gear, said first and second quadrant gears lying in planes at an angle with respect to each other.

Claim 6

A ventilator system comprising: A. a ventilator compartment; B. first and second inlet ducts disposed adjacent one another and having outlets terminating in a common plane in said compartment; C. a damper assembly disposed in said compartment at the outlet of said first and second ducts and in the common outlet plane; D. said damper assembly having first and second sections associated with said first and second ducts, respectively, and said damper assembly having: 1. a plurality of parallel damper shafts extending over the dimension of said first and 2. a plurality of damper blades mounted on said shaft, the blades for said first section being mounted parallel with each other but in angular relation to the mutually parallel blades for said second section, 3. a plurality of crank arms each mounted on one of said damper shafts, 4. a damper connecting rod operatively interconnecting with each of said crank arms on said shafts for simultaneous synchronized damper modulating movement, and 5. a first quadrant gear mounted on one of said damper shafts, said gear lying in a plane perpendicular to the axis of said damper shafts; E. a motor in said compartment fixedly mounted with respect to said damper assembly and having an output shaft; and F. a second quadrant gear mounted on said motor output shaft and operably engaged with said first quadrant gear, said first and second quadrant gears lying in planes at an angle with respect to each other.

Claim 7

The structure of claim 1 wherein said motor is fixedly mounted with respect to said damper assembly so as to be out of the path of air traveling through said compartment.

Claim 8

a plurality of damper blades mounted on said shaft, the blades for said first section being mounted parallel with each other but in angular relation to the mutually parallel blades for said second section,

Claim 9

a plurality of damper blades mounted on said shaft, the blades for said first section being mounted parallel with each other but in angular relation to the mutually parallel blades for said second section,

Claim 10

a plurality of crank arms each mounted on one of said damper shafts,

Claim 11

a plurality of crank arms each mounted on one of said damper shafts,

Claim 12

In a ventilating system for achieving and maintaining predetermined physical characteristics in the air at a location to be ventilated responsive to signals from said location, said system including a pair of adjacent inlet ducts each carrying ventilating air under a pressure differential to a common duct termination plane; an outlet compartment for receiving ventilating air from said ducts and delivering it to said location to be ventilated; said ducts carrying ventilating air having different physical characteristics which, when delivered into the outlet compartment in the proper proportions, will constitute ventilating air having physical characteristics such as to tend to achieve an optimum predetermined condition of air at the ventilation location; a damper assembly positioned across the plane of termination of said ducts in said compartment, said damper assembly having a first and second damper sections each associated with one of said inlet ducts; wherein the improvement comprises: a plurality of mutually parallel damper shafts each extending across both of said ducts and each constituting part of each of said sections; a plurality of damper blades positioned on said damper shafts for regulating air flow from said ducts, a first parallel set of said blades being situated to control flow through said first damper section and a second parallel set of said blades being situated on said shafts in angular relation to said first set and in position to control flow through said second section; a damper drive linkage operatively connecting said shafts for rotative movement of said shafts and blades to regulate air flow in said ducts; a damper motor operably responsive to said signals, fixedly mounted with respect to said damper assembly and having an output shaft; a first quadrant gear mounted on said motor output shaft to lie in a plane at right angles thereto; and a second quadrant gear operably connected with said damper drive linkage and operably engaged with said first gear.

Claim 13

In a ventilating system for achieving and maintaining predetermined physical characteristics in the air at a location to be ventilated responsive to signals from said location, said system including a pair of adjacent inlet ducts each carrying ventilating air under a pressure differential to a common duct termination plane; an outlet compartment for receiving ventilating air from said ducts and delivering it to said location to be ventilated; said ducts carrying ventilating air having different physical characteristics which, when delivered into the outlet compartment in the proper proportions, will constitute ventilating air having physical characteristics such as to tend to achieve an optimum predetermined condition of air at the ventilation location; a damper assembly positioned across the plane of termination of said ducts in said compartment, said damper assembly having a first and second damper sections each associated with one of said inlet ducts; wherein the improvement comprises: a plurality of mutually parallel damper shafts each extending across both of said ducts and each constituting part of each of said sections; a plurality of damper blades positioned on said damper shafts for regulating air flow from said ducts, a first parallel set of said blades being situated to control flow through said first damper section and a second parallel set of said blades being situated on said shafts in angular relation to said first set and in position to control flow through said second section; a damper drive linkage operatively connecting said shafts for rotative movement of said shafts and blades to regulate air flow in said ducts; a damper motor operably responsive to said signals, fixedly mounted with respect to said damper assembly and having an output shaft; a first quadrant gear mounted on said motor output shaft to lie in a plane at right angles thereto; and a second quadrant gear operably connected with said damper drive linkage and operably engaged with said first gear.

Claim 14

The structure of claim 3 wherein said quadrant gears are disposed in planes which lie at an angle with respect to each other.

Claim 15

a damper connecting rod operatively interconnecting with each of said crank arms on said shafts for simultaneous synchronized damper modulating movement, and

Claim 16

a damper connecting rod operatively interconnecting with each of said crank arms on said shafts for simultaneous synchronized damper modulating movement, and

Claim 17

a first quadrant gear mounted on one of said damper shafts, said gear lying in a plane perpendicular to the axis of said damper shafts; E. a motor in said compartment fixedly mounted with respect to said damper assembly and having an output shaft; and F. a second quadrant gear mounted on said motor output shaft and operably engaged with said first quadrant gear, said first and second quadrant gears lying in planes at an angle with respect to each other.

Claim 18

a first quadrant gear mounted on one of said damper shafts, said gear lying in a plane perpendicular to the axis of said damper shafts; E. a motor in said compartment fixedly mounted with respect to said damper assembly and having an output shaft; and F. a second quadrant gear mounted on said motor output shaft and operably engaged with said first quadrant gear, said first and second quadrant gears lying in planes at an angle with respect to each other.

Claim 19

The structure of claim 3 wherein said damper drive linkage includes a plurality of crank arms mounted on said damper shafts and a connecting rod pivotally interconnecting with said crank arms and wherein said second quadrant gear is mounted on a shaft having a crank arm pivotally interconnected with said connecting rod.

Claim 20

The structure of claim 5 wherein said second quadrant gear is mounted on one of said damper shafts.