US362212A - Eichaed l - Google Patents
Eichaed l Download PDFInfo
- Publication number
- US362212A US362212A US362212DA US362212A US 362212 A US362212 A US 362212A US 362212D A US362212D A US 362212DA US 362212 A US362212 A US 362212A
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- Prior art keywords
- arm
- switch
- thermostat
- motor
- circuit
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- 238000010438 heat treatment Methods 0.000 description 14
- 239000002184 metal Substances 0.000 description 8
- 229920001875 Ebonite Polymers 0.000 description 4
- 206010010254 Concussion Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000002441 reversible Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
- G05D23/27535—Details of the sensing element
- G05D23/2754—Details of the sensing element using bimetallic element
Definitions
- the object of this invention is to control the circuit of an electric motor by a thermostat, said motor being employed for regulating the valves or dampers of the apparatus supplying theheat to the apartment containing the thermostat; and the invention consists in the combination,with an electric circuit, of an electric thermostat, solenoids connected with said thermostat, an armature arranged movable longitudinally in the axis of the solenoids, a switch actuated by said armature, and an electric motor connected with the terminals of the switch', all as hereinafter more fullydescribed, and speciically set forth in the claims.
- Figure l is an elevation of an apparatus embodying my invention 5 and Fig. 2 is a detached side View of the motor, showing the means for controlling the movement thereof and the means for transmitting motion therefrom.
- A represents a thermostat located in the apartment in which the heat is to be automatically controlled.
- This thermostat may be of any suitable style land connected with an electric circuit, so as to open and closethe cir- -cuit by the actionof the thermostat under the influence of the changes of temperature.
- the thermostat here represented consists of a bar, d, composed of longitudinal sections of different materials having different capacities of expansion by heat, said bar being supported at one end, and having its free end arranged between two contact-points, e e, similar to the thermostat for which I have filed an application for patent on the 11th day of March, 1886, Serial No. 194,782.
- B denotes the battery,witb which thethermostatic bar is permanently connected by a wire, a.
- a A represent two solenoids, arranged end to end, with a space between them, and in the axis of said solenoids is arranged movable longitudinally the armature C.
- a metallic wall, I which is connected with the battery B by a Wire, a; and on this wall is pivoted a switch-arm, b, also of metal, so that a current of electricity can be conveyed from the wall I to said switcharm.
- the lower end of the switch arm b is bifurcated, and straddlesa pin, p, which projects from the side of the armature C, and the upper end ofthe arm b is weighted to carry it by gravity toward either side after passing a. perpendicular position.
- the upper end of the switch-arm b are contactpoints or terminals h h, which are supported on but insulated from the wall I. These contact-points project sufficiently from said wall to be encountered by the switch-arm b during its oscillating motion, and thus arrest said motion.
- Elastic wire prongs rr project from opposite sides of the arm b in such positions as to strike the terminals or cont-act-points h 7L during the oscillations of said arm, and thus relieve the same from concussion.
- insulated arms FF At opposite sides of the pivot of the switcharm b are insulated arms FF, on which are secured binding-posts g g, and from these binding-posts project spring-metal arms o and o",
- the arm b At opposite sides of the free ends of which lie across a front projection of the metallic axis of the switch-arm b, and below this axis the arm b has affixed to it a hard-rubber cam, g, which rises at opposite sides of the aforesaid axis suiciently to cause the end of the cam at one side of the arm b to lift the spring-arm o thereat when the upper end ofthe switch-arm bis swung toward the opposite side of the axis and i-n contact with the terminal h', and conversely, when the switch-arm bis in contact With the terminal It, the opposite end of the cam g lifts the springarm o.
- the lifting of the arms o o throws them out of contact with t-he metallic axis of the switch-arm b.
- the arm o is electrically connected with the solenoid A and the arm o is electrically connected with the solenoid A".
- binding-posts On the supporting frame or base F of the solenoids are two binding-posts, ff, and from the binding-postf wires are extended to the solenoid A and contact-points e of the thermostat, and from the binding-postf wires are extended to the solenoid A and contact-point e" of the thermostat.
- M represents an electric motor, which may be of any suitable and well-known construction, .and N represents the commutator of said IOO motor.
- the armatureshaft of the motor has attached to it a pinion, s, which meshes in a large gear-wheel, S', mounted on the end of a shaft, G, which is pivoted on the frame ofthe motor. From the wheel S projects a wristpin, p, to which is connected a cord or chain, which communicates with the damper or valve of the heating apparatus which supplies heat to the apartment containing the thermostat A.
- a crank may be attached to the opposite end of the shaft G and suitably connected with the front or draft damper of the heating apparatus 4in case the aforesaid wrist-pin of the wheel S is made to operate the back or check damper; or the axis of a rotary valve of a heater may be coupled to the shaft G, so as to partake rotary motion from said shaft.
- On the shaft G is also fastened a metal disk, j, from opposite sides of which project metal pins or cams c c, said disk serving as a commutator to keep the circuit closed during one-half of a revolution of said shaft, so as to open or close the dampers or valves of the heating apparatus.
- Said disk is in electric communication with its support, and from the latter a wire, L, is extended to the commutator N, and the latter is connected with the battery by a wire, m.
- a wire, L On a suitable support are two binding-posts, it, from which project two spring-arms, t" i", the free ends of which lie at opposite sides of the disk j and in the paths of the pins c c thereof.
- wires i and im the two binding-posts t t are connected, respectively, with the switch-terminals h" and h.
- the operation of my invention is as follows: lVhen the temperature in the apartment con taining the thermostat A falls, the bar d moves to the left, making contact with contact-point c', and thereby completes the circuit from the battery B through the wire to the bindingpost f', from thence through the coil of the solenoid A to the binding-post g', which supports the spring-arm o', through which latter the electric current passes to the switcharm I) through the axis thereof. From the axis of this switch-arm the electric current passes through the metallic wall l, and then through the wire a back of the battery B.
- the diskj When the diskj has made a lialfrevolution, it breaks the connection with the spring arm z', and thus breaks the circuit through the motor and stops the latter, leaving the valves or dampers open or closed, as required. At the same time the disk] makes connection with the spring-arm fi, leaving the circuit ready to be completed by a reversal of the position of the switch ⁇ arm b.
- the operation of this switch is such that it opens the circuit from the thermostat, which may be a long circuit, and puts the battery as a local circuit directly on the motor,
- an electric thermostatic bar having its free ends arranged between two contact-points, two solenoids connected, respectively, with said contact-points, an armature arranged movably longitudinally in the axis of theI solenoids, a switch actuated by said armature, an electric motor, a commutator interposed between the motor and switch, and mechanisms for transmitting motion from the motor to the valves or dampers of the heating apparatus, substantially as described and shown.
Description
momma.) A
R. L. GUION.
ELECTRIC REGULATOR POR HEATING APPARATUS.
NOQZQZLIZAZ. Patented May 3, 1887.
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N. PETERS. Phomumognpher. Wnhngtnn. ILC.
UNITEDA STATES PATENT OFFICE..
RICHARD L. Guion, or ELMIRA, NEW YORK.
ELECTRIC REGULATOR OF HEATING APPARATUS.l
SPECIFICATION forming part of Letters Patent No. 362,212, dated May 3, 1887.
Application filed November 20, 1886. Serial No. 219,449. (No model.)
To all whom it may concern:
Be it known that l, RICHARD L. GUION, of Elmira, inthe county ofGhemung, in the State of New York, have invented new and useful Improvements in Electric Regulators of Heating Apparatus, of which', the following, taken in connection with the accompanying drawings, is a full, clear, and, exact description.
Y The object of this invention is to control the circuit of an electric motor by a thermostat, said motor being employed for regulating the valves or dampers of the apparatus supplying theheat to the apartment containing the thermostat; and the invention consists in the combination,with an electric circuit, of an electric thermostat, solenoids connected with said thermostat, an armature arranged movable longitudinally in the axis of the solenoids, a switch actuated by said armature, and an electric motor connected with the terminals of the switch', all as hereinafter more fullydescribed, and speciically set forth in the claims.
In the annexed drawings, Figure lis an elevation of an apparatus embodying my invention 5 and Fig. 2 is a detached side View of the motor, showing the means for controlling the movement thereof and the means for transmitting motion therefrom.
A represents a thermostat located in the apartment in which the heat is to be automatically controlled. This thermostat may be of any suitable style land connected with an electric circuit, so as to open and closethe cir- -cuit by the actionof the thermostat under the influence of the changes of temperature.
The thermostat here represented consists of a bar, d, composed of longitudinal sections of different materials having different capacities of expansion by heat, said bar being supported at one end, and having its free end arranged between two contact-points, e e, similar to the thermostat for which I have filed an application for patent on the 11th day of March, 1886, Serial No. 194,782.
B denotes the battery,witb which thethermostatic bar is permanently connected by a wire, a.
A A represent two solenoids, arranged end to end, with a space between them, and in the axis of said solenoids is arranged movable longitudinally the armature C. Near the sides of the solenoids A A is a metallic wall, I,which is connected with the battery B by a Wire, a; and on this wall is pivoted a switch-arm, b, also of metal, so that a current of electricity can be conveyed from the wall I to said switcharm. The lower end of the switch arm b is bifurcated, and straddlesa pin, p, which projects from the side of the armature C, and the upper end ofthe arm b is weighted to carry it by gravity toward either side after passing a. perpendicular position. the upper end of the switch-arm b are contactpoints or terminals h h, which are supported on but insulated from the wall I. These contact-points project sufficiently from said wall to be encountered by the switch-arm b during its oscillating motion, and thus arrest said motion. Elastic wire prongs rr project from opposite sides of the arm b in such positions as to strike the terminals or cont-act-points h 7L during the oscillations of said arm, and thus relieve the same from concussion.
At opposite sides of the pivot of the switcharm b are insulated arms FF, on which are secured binding-posts g g, and from these binding-posts project spring-metal arms o and o",
At opposite sides of the free ends of which lie across a front projection of the metallic axis of the switch-arm b, and below this axis the arm b has affixed to it a hard-rubber cam, g, which rises at opposite sides of the aforesaid axis suiciently to cause the end of the cam at one side of the arm b to lift the spring-arm o thereat when the upper end ofthe switch-arm bis swung toward the opposite side of the axis and i-n contact with the terminal h', and conversely, when the switch-arm bis in contact With the terminal It, the opposite end of the cam g lifts the springarm o. The lifting of the arms o o throws them out of contact with t-he metallic axis of the switch-arm b. The arm o is electrically connected with the solenoid A and the arm o is electrically connected with the solenoid A".
On the supporting frame or base F of the solenoids are two binding-posts, ff, and from the binding-postf wires are extended to the solenoid A and contact-points e of the thermostat, and from the binding-postf wires are extended to the solenoid A and contact-point e" of the thermostat.
M represents an electric motor, which may be of any suitable and well-known construction, .and N represents the commutator of said IOO motor. The armatureshaft of the motor has attached to it a pinion, s, which meshes in a large gear-wheel, S', mounted on the end of a shaft, G, which is pivoted on the frame ofthe motor. From the wheel S projects a wristpin, p, to which is connected a cord or chain, which communicates with the damper or valve of the heating apparatus which supplies heat to the apartment containing the thermostat A. A crank may be attached to the opposite end of the shaft G and suitably connected with the front or draft damper of the heating apparatus 4in case the aforesaid wrist-pin of the wheel S is made to operate the back or check damper; or the axis of a rotary valve of a heater may be coupled to the shaft G, so as to partake rotary motion from said shaft. On the shaft G is also fastened a metal disk, j, from opposite sides of which project metal pins or cams c c, said disk serving as a commutator to keep the circuit closed during one-half of a revolution of said shaft, so as to open or close the dampers or valves of the heating apparatus. Said disk is in electric communication with its support, and from the latter a wire, L, is extended to the commutator N, and the latter is connected with the battery by a wire, m. On a suitable support are two binding-posts, it, from which project two spring-arms, t" i", the free ends of which lie at opposite sides of the disk j and in the paths of the pins c c thereof. By wires i and im the two binding-posts t t are connected, respectively, with the switch-terminals h" and h.
The operation of my invention is as follows: lVhen the temperature in the apartment con taining the thermostat A falls, the bar d moves to the left, making contact with contact-point c', and thereby completes the circuit from the battery B through the wire to the bindingpost f', from thence through the coil of the solenoid A to the binding-post g', which supports the spring-arm o', through which latter the electric current passes to the switcharm I) through the axis thereof. From the axis of this switch-arm the electric current passes through the metallic wall l, and then through the wire a back of the battery B. Vhen this circuit is completed, the core or armature C is drawn into the solenoid A', and this movement of said armature throws the switch-arm b over onto the terminal 7L. In this latter movement the rubber cam g lifts the springarm o out of contact with the axis of the switcharm b, and allows the spring-arm o to drop into contact with the aforesaid axis, thereby breaking the circuit through c'f, solenoid A', binding-post g', spring-arm o', and wall I, and switching the circuit onto the wire connecting the binding post e" of the thermostat with the binding-post f, thence through the solenoid A to the binding-post g and springarm ol to the axis ofthe switch-arm Z, thence through the wall l, back to the battery B, through the wire a, ready to be charged when the thermostatic bar d shall be moved to the right by the rise of temperature. "When the switclrarm b falls into contact with the terminal It, it closes the circuit from the battery B through the wire m and through the motor M to the disk j, thence through the spring-arm t, which at that time is in Contact with one of the pins on said disk, thence through the wire t, contact-point h", switch-arm b, wall I, and wire a back to thebattery. This circuit moves the motor M, which in turn revolves the shaft G and diskj, connected with said shaft, and also moves the valves or dampers of the heating apparatus by the hereinbefore-described connections thereofwith the shaft G. When the diskj has made a lialfrevolution, it breaks the connection with the spring arm z', and thus breaks the circuit through the motor and stops the latter, leaving the valves or dampers open or closed, as required. At the same time the disk] makes connection with the spring-arm fi, leaving the circuit ready to be completed by a reversal of the position of the switch` arm b. The operation of this switch is such that it opens the circuit from the thermostat, which may be a long circuit, and puts the battery as a local circuit directly on the motor,
so that there is only the resistance of the motor in the circuit, thus giving the motor the whole force of the battery.
Having described my invention, what l. claim as new, and desire to secure by Letters Patent, 1s-- 1,-The combination, with the electric circuit, of an electric thermostat, two solenoids connected, respectively, with the opposite con tacts of the thermostat, an armature arranged movably longitudinally in the axis of thesoleuoids, and a switch actuated by said armature, as set forth and shown.I
2. In an electric circuit, the combination of an electric thermostatic bar having its free ends arranged between two contact-points, two solenoids connected, respectively, with said contact-points, an armature arranged movably longitudinally in the axis of theI solenoids, a switch actuated by said armature, an electric motor, a commutator interposed between the motor and switch, and mechanisms for transmitting motion from the motor to the valves or dampers of the heating apparatus, substantially as described and shown.
3. The combination, with an electric circuit, of au electric thermostat having two contactpoints, the solenoids A A, reciprocating armature G, the pivote/1 switch-arm Z), having its lower end bifurcated and astride a projection on the armature and its upper end weighted, contactpoints 7L 'Jt" at opposite sides of the upper end of the switch-arm, bindingposts g g" at opposite sides of the pivot of the switch-arm, spring-arms o o, projecting from said binding-posts and having their free end lying across an axial projection on the switch-arm, the insulated cam g, attached to the switch-arm, the disk j, having pins projecting from opposite sides, the spring-arms t" fi, electrically connected with the contactpoints h h, the motor lll, electric- IOO IIO
ythe pivoted swito 362.212 y f l i 3 ally connected with the disk j, and mechanism for transmitting motion from the motor to the valves or dampers of the heating apparatus, substantially as described and shown.
4. Inan electric circuit, the combination of the solenoids A A, reciprocating armature C, arm b, bifurcated at its lower end and astride a projection on Said armature and having its upper end Weighted, the contact-points h h at opposite sides of the upper end of the switch-arm, the springs r r', projecting from opposite sides of said end of the switch arm and adapted to encounter the aforesaid contact-points, binding-,posts g y, the spring-arms o o, projecting from said binding-posts and lying across an axial projection of the switch-arm, and the hard-rubber cam attached to the switch-arm below the pivot thereof and rising at opposite sides of said pivot to engage one of the spring-arms o' o" at 2o a time, substantially as described and shown.
In testimony whereof I have hereunto signed my name and alixed my seal, in the presence of two attesting witnesses, at Elmira, in the county of Chemung, in the State of New York, -25
Publications (1)
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US362212A true US362212A (en) | 1887-05-03 |
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US362212D Expired - Lifetime US362212A (en) | Eichaed l |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2459350A (en) * | 1943-08-06 | 1949-01-18 | Robertshaw Fulton Controls Co | Automatic reversing control for electric motors |
-
0
- US US362212D patent/US362212A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2459350A (en) * | 1943-08-06 | 1949-01-18 | Robertshaw Fulton Controls Co | Automatic reversing control for electric motors |
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