US441855A - Thermostat - Google Patents
Thermostat Download PDFInfo
- Publication number
- US441855A US441855A US441855DA US441855A US 441855 A US441855 A US 441855A US 441855D A US441855D A US 441855DA US 441855 A US441855 A US 441855A
- Authority
- US
- United States
- Prior art keywords
- stud
- receptacles
- members
- series
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 210000002832 Shoulder Anatomy 0.000 description 4
- 235000013382 Morus laevigata Nutrition 0.000 description 2
- 244000278455 Morus laevigata Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/12—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
- G05D23/125—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid the sensing element being placed outside a regulating fluid flow
- G05D23/126—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid the sensing element being placed outside a regulating fluid flow using a capillary tube
Definitions
- WQNEEEEE ma mums FETEHQ cm, MOTO L
- This invention relates to thermostats in To the outer surfaces of the side pieces 7 7 which the movements that open and close a at the centers thereof are soldered or other- IO damper-ventilatororotherheat-regulatingdewise securely attached outwardly-projecting 6o vice are caused by the expansion and constuds 8 8, the same being preferably provided traction of a suitable liquid; and it has for its with flanges 9 at their inner ends to give a object to provide a thermostat of this class sufficiently-extended bearing on the flexible having a very large area of heat absorbing metal of the side pieces.
- I 5 and radiating surface in proportion to the t represents sleeves or ferrules, which are quantity of liquid employed, and in which interposed between the receptacles, and are the parts can be readily assembled and sepaformed to receive the stud S, as shown in Fig. rated. l 1, each sleeve receiving two studs and bear- To this end the invention consists in the ing at one end on the flange of one stud and 20 improvements which I will now proceed to at the other end on the flange of the other 7o describe.
- Figure 1 represents whereby motion is transmitted from each a side elevation of a thermostat embodying member to the next throughout the series, as
- Fig. 2 represents an end view presently described.
- Fig. 3 represents aside View of gaged with the studs 8, as shown, connect the one of the expansion members or receptacles. expansion members or receptacles in a series
- Fig. 4 represents a section on line 4t 4, Fig. and prevent the edgwise displacement of said
- the same letters and numerals of reference members when the ends of the series are en- 0 indicate the same parts in all the figures. gaged with the supports next described.
- a 0 represents a stud rigidly attached to the suitable frame or holder, which may be of frame-piece a and having its inner end desirable construction, and is here shown as formed to enter the sleeve or ferrule i at one composed of end pieces ad, and parallel side end of the series of members, said stud conbars I) Z) rigidly connecting said end pieces. stituting a fixed support for that end of the 8 5 Said frame may be supported in the room or series.
- compartment in which the thermostat is to 1) represents a stud adapted to slide in a work by bolts passing through holes 0 c in guiding-orifice in the other frame-piece a,
- each sleeve or ferrule 8 at the other end of the se- 0 of whichisaliquid-holding receptacle having ries of members.
- To the sliding stud p is substantially parallel side pieces made of thin affixed a cross-bar g, which "Is adapted to and flexible sheet metal, preferably copper. slide on the rods or bars 17 b of the support- The side pieces of each receptacle are sepaing-frame.
- a spring 9' is interposed between 5 rated by a space which is very thin in prothe fixed cross-bar a of the frame and the 5 portion to the area of the side pieces, so that sliding crossbar q, said spring being arranged each receptacle is adapted to hold a body of to press the stud p toward the fixed stud 0. liquid, which has large surface areas and but It will be seen that the sliding stud p constilittle thickness, so that it can quickly absorb tutes a yielding support for the end of the 50 and radiate heat. series of members opposite the end supported by the fixed stud 0, so that all the members are movable from the fixed studand toward the sliding stud.
- the receptacles or members (Z are filled with alcohol or some other suitable liquid, or, if preferred, with a semi-liquid material, each member containing, as already stated, a thin body or sheet of the material spread out so as to present large areas for the absorption and radiation of heat.
- the expansion of the inclosed material by an increase of temperature causes the flexible sides of the receptacle to bulge outwardly, the thickness of each receptacle being thus increased, so that all the members are displaced or moved sidewise toward the yielding stud, the latter being moved outwardly against the force of the spring-r a distancewhich-is determined by the expan'-.
- oneend ofwh-ich is connected at. u with a fixed support: 25, andthe other end ate with a.
- the receptacles to be readily assembled or put together toform the series Withoutscrews, bolts, or other like fastening devices, and as readily separated in case repair of one or more of the receptacles becomes necessary, the receptacles with their lugs and the sleeves receiving the lugs being held in their operative relation to each other by the spring-pressed support 27 and the rigid support 0.
- a thermostat the combination of a supporting-frame, a fixed support, as 0, secured to one end of said" frame, a spring-pressed movable support, as 1), adapted to slide'in a guide in the other end of the frame, a series of receptacles interposed between the fixed support 0 and the. sliding support 19, each .re.
- lugs co-operatingin holding the receptacles in a connected series, one end of which is sup ported by the fixed support 0 and. the other end by the slidingsupportp, and. a valve-er damper controlling lever engaged with the.
Description
(No Model.)
A. G. SARGENT.
THERMOSTAT.
No. 441,855. Patented Dec, 2, 1890.
WQNEEEEE ma mums FETEHQ cm, MOTO L|TRO,, msnmumu, u. c.
UNITED STATES PATENT OFFICE.
ARTHUR G. SARGENT, OF' EAST TILTON, ASSIGNOR OF ONE-HALF TO THE LACONIA CAR COMPANY, OF LACONIA, NEW HAMPSHIRE.
TH ERMOSTAT.
SPECIFICATION forming part of Letters Patent No. 441,855, dated December 2, 1890.
Application file-d April 14, 1890. Serial No. 347,754. (No model.)
To all whom itmay concern: In practice I prefer to make each receptacle Be it known that I, ARTHUR G. SARGENT, of in three partsviz., a rigid metallic marginal East Tilton, in the county of Belknap and frame of annular form having shoulders State of New Hampshire, have invented cer- G 6 on its inner periphery, and two disks 7 7 5 tain new and useful Improvements in Therof thin sheet metal soldered at their margins mostats, of which the following is a specificato said shoulders and constituting the flexible tion. side pieces of the receptacle.
This invention relates to thermostats in To the outer surfaces of the side pieces 7 7 which the movements that open and close a at the centers thereof are soldered or other- IO damper-ventilatororotherheat-regulatingdewise securely attached outwardly-projecting 6o vice are caused by the expansion and constuds 8 8, the same being preferably provided traction of a suitable liquid; and it has for its with flanges 9 at their inner ends to give a object to provide a thermostat of this class sufficiently-extended bearing on the flexible having a very large area of heat absorbing metal of the side pieces.
I 5 and radiating surface in proportion to the t represents sleeves or ferrules, which are quantity of liquid employed, and in which interposed between the receptacles, and are the parts can be readily assembled and sepaformed to receive the stud S, as shown in Fig. rated. l 1, each sleeve receiving two studs and bear- To this end the invention consists in the ing at one end on the flange of one stud and 20 improvements which I will now proceed to at the other end on the flange of the other 7o describe. stud, so that the sleeves constitute rigid con- In the accompanying drawings, forming a nections between the receptacles or members, part of this specification, Figure 1 represents whereby motion is transmitted from each a side elevation of a thermostat embodying member to the next throughout the series, as
25 my invention. Fig. 2 represents an end view presently described. The sleeves, when enof the same. Fig. 3 represents aside View of gaged with the studs 8, as shown, connect the one of the expansion members or receptacles. expansion members or receptacles in a series, Fig. 4 represents a section on line 4t 4, Fig. and prevent the edgwise displacement of said The same letters and numerals of reference members when the ends of the series are en- 0 indicate the same parts in all the figures. gaged with the supports next described.
In carrying out my invention I provide a 0 represents a stud rigidly attached to the suitable frame or holder, which may be of frame-piece a and having its inner end desirable construction, and is here shown as formed to enter the sleeve or ferrule i at one composed of end pieces ad, and parallel side end of the series of members, said stud conbars I) Z) rigidly connecting said end pieces. stituting a fixed support for that end of the 8 5 Said frame may be supported in the room or series.
compartment in which the thermostat is to 1) represents a stud adapted to slide in a work by bolts passing through holes 0 c in guiding-orifice in the other frame-piece a,
the end pieces a a, or otherwise. and having its'innerend formed to engage the 0 (Z d drepresentthe expansion members, each sleeve or ferrule 8 at the other end of the se- 0 of whichisaliquid-holding receptacle having ries of members. To the sliding stud p is substantially parallel side pieces made of thin affixed a cross-bar g, which "Is adapted to and flexible sheet metal, preferably copper. slide on the rods or bars 17 b of the support- The side pieces of each receptacle are sepaing-frame. A spring 9' is interposed between 5 rated by a space which is very thin in prothe fixed cross-bar a of the frame and the 5 portion to the area of the side pieces, so that sliding crossbar q, said spring being arranged each receptacle is adapted to hold a body of to press the stud p toward the fixed stud 0. liquid, which has large surface areas and but It will be seen that the sliding stud p constilittle thickness, so that it can quickly absorb tutes a yielding support for the end of the 50 and radiate heat. series of members opposite the end supported by the fixed stud 0, so that all the members are movable from the fixed studand toward the sliding stud.
The receptacles or members (Z are filled with alcohol or some other suitable liquid, or, if preferred, with a semi-liquid material, each member containing, as already stated, a thin body or sheet of the material spread out so as to present large areas for the absorption and radiation of heat. The expansion of the inclosed material by an increase of temperature causes the flexible sides of the receptacle to bulge outwardly, the thickness of each receptacle being thus increased, so that all the members are displaced or moved sidewise toward the yielding stud, the latter being moved outwardly against the force of the spring-r a distancewhich-is determined by the expan'-.
sion oft each member.multipliedby the. num: beriofsmembers. When thetemperature is reduced,-:the.incl0sed material in the.recep-1 taclescontract-s and the spring 4* forces the. stud inwardly as far asthe contraction of the memberswill permit. The sliding stud or support 19 is pivoted at-its outer end to levers,
oneend ofwh-ich is connected at. u with a fixed support: 25, andthe other end ate with a.
rodextendingto a ventilator. or. other. suit-- able heat-regulatin g device, which is operated by the movements of the lovers and sliding.
stud p.
It willlbe seenthat the studs 8 on the .receptacles-and the sleeves 71, in which said studs. are removably inserted, notonly co-operate in holdingthe receptacles in a connected series,
butalsopermit. the receptacles to be readily assembled or put together toform the series Withoutscrews, bolts, or other like fastening devices, and as readily separated in case repair of one or more of the receptacles becomes necessary, the receptacles with their lugs and the sleeves receiving the lugs being held in their operative relation to each other by the spring-pressed support 27 and the rigid support 0.
I claim In a thermostat, the combination of a supporting-frame, a fixed support, as 0, secured to one end of said" frame, a spring-pressed movable support, as 1), adapted to slide'in a guide in the other end of the frame, a series of receptacles interposed between the fixed support 0 and the. sliding support 19, each .re.
ceptacle having flexible ,sidesandrigid lugs or studs projecting outwardly from said sides, the seriesoftsleeves or ferrules in which. said lugs are removably inserted, said sleeves and.
lugs co-operatingin holding the receptacles in a connected series, one end of which is sup ported by the fixed support 0 and. the other end by the slidingsupportp, and. a valve-er damper controlling lever engaged with the.
sliding support, as set forth.
In testimony whereofl have signed-any name to this .specificatiomin the presence of two subscrib'ingwitnesses, this 8th [day of April, A. D. 1890.
ARTHU G. SARGENT.
\Vitnesses:
S. S. J EWETT, W. B. FELLows
Publications (1)
Publication Number | Publication Date |
---|---|
US441855A true US441855A (en) | 1890-12-02 |
Family
ID=2510750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US441855D Expired - Lifetime US441855A (en) | Thermostat |
Country Status (1)
Country | Link |
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US (1) | US441855A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447032A (en) * | 1944-08-25 | 1948-08-17 | Bell Telephone Labor Inc | Contact maker and breaker |
US2565847A (en) * | 1947-07-18 | 1951-08-28 | Johnson Service Co | Thermostatic diaphragm having straight-line characteristic |
-
0
- US US441855D patent/US441855A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447032A (en) * | 1944-08-25 | 1948-08-17 | Bell Telephone Labor Inc | Contact maker and breaker |
US2565847A (en) * | 1947-07-18 | 1951-08-28 | Johnson Service Co | Thermostatic diaphragm having straight-line characteristic |
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