US1001152A - Attachment for electric motors. - Google Patents
Attachment for electric motors. Download PDFInfo
- Publication number
- US1001152A US1001152A US59325610A US1910593256A US1001152A US 1001152 A US1001152 A US 1001152A US 59325610 A US59325610 A US 59325610A US 1910593256 A US1910593256 A US 1910593256A US 1001152 A US1001152 A US 1001152A
- Authority
- US
- United States
- Prior art keywords
- contact element
- ring
- screw
- electric motors
- attachment
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S200/00—Electricity: circuit makers and breakers
- Y10S200/13—Shaft bearing and armature wear indicator switches
Definitions
- Another object of the invention is to provide an adjustable support in which a contact element is held, the contact elementbeing releasable when an unusual degree of heat is generated in the machine, to close an electric circuit and to operate a signal; novel means being provided for actuating the contact element, subsequent to its release.
- Figure 1 shows in side elevation, and conventionally, an electric motor to which the device of my invention has been applied;
- Fig. 2 shows the invention in side elevation, the View being a detail en.-
- Fig. 3 is a section upon the line'A-B of Fig. 2, parts being shown in elevation; and Fig. 4 is a section upon the l' ⁇ e C-D of Fig.2, parts being shown in elie vation.
- the motor is denoted generally by the numeral 1, and the hearing by the numeral 2, the armatmic shaft- 3 1'0- tating in this bearing 2.
- a ring 4 adapted to i'nclose the armature shaft 2, and to be secured to the motor 1.
- this ring 4 is secured to the motor 1 by means of screws 5.
- An insulatirfg sheet 6 is interposed between the ring at and the motor 1, and an insulating tube 7 surrounds each of the'screws'o so as to-"insulate the said screws from the 'ring- 4.
- insulating washers 8 are into; posed between the heads of the screws and the outer face of the ring 1.
- the diameter of the open ng in the ring 4 is somewhat greater than the diameter of the armature shaft 3, and by reason of this fact, a space '9 exists between the armature shaft '3 and the inner face of the ring 4.
- gaging the ring 1 serves to hold'the screw 11 against rotation.
- a contact element 15,.ordi1iarily of copper or the like, is slidably mounted in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 in the inner endof the screw 11 there is a channel 14, in which a contact element 15,.ordi1iarily of copper or the like, is slidably mounted.
- This contact element 15 is held in place-within the channel 14:, and out of 'contact fwith the armature shaft 3 by means of one oran'ore- 1 touches of solder 16', or othermaterial-which i willmelt at a very low temperature infact,
- a spring 17 is seated in each of the channels 14, this spring 17 acting compressively to force the contact element 15 outwardly, as soon as the solder 16 has been melted away.
- a binding post 18 is secured to the ring 4, and another binding post 19 is secured to the motor 1. From the binding post 18 a conductor 20'leads to an electric bell 22, which may be taken to typify any sort of signal which may be operated electrically. Another conductor 21 leads from the binding post 19 to a battery 23, another conductor 24 leading from the battery'2t to the electric bell 22.
- the'bell or other signal 22 be operated, thereby lndlcating at once, an undue heating in the motor.
- the ring constitutes-a holder for the screws 5-,. and the r ng 4: and the screws 5 constitute the 'carryingmeniber for the contact elements 15.
- Thescrews 11 act assup- .ports for the spring's'14 and the Contact elements 15.
- the fusible material 16 constitutes a;-ithermostaticmeans whereby the contact-elements 15 are held in place.
- a holder adapted to be secured to a machine in the vicinity of a moving par; of the machine; a screw threaded into the holder and provided with a channel in one end; a con-' tact element slid-able 1n the channel to'bear upon said *machine part, thereby to close an electric signal circuit of which the said part and contact element are terminals; a spring in the channel, for sliding the'contact element; and fusible material connecting the contact element with the screw to maintain the contact element spaced from said part.
- a holder adapted to be secured to a machine in the vicinity of a moving part of the machine; a screw threaded into the holder and provided with a channel in one end; a lock nut upon the screw engaging the -holder; a contact element slidable in the channel to bear upon said machine part, thereby to close an electric signal circuit of which said part and the contact element. are terminals; a spring in the channel, for sliding the contact element; fusible material connecting the the contact element-spaced from said part.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuses (AREA)
Description
'w. A. LAWRENCE.
' ATTAGHMBNT FOR ELECTRIC MOTORS.
APPLICATION FILED NOV; 19, 1910.
Patented Aug. 22, 1911.
Z Inventor 4 y 2 J J J 1 25:55!
Attorneys UNITED STATES. PATENT OFEIGE,;
- WILLIAM A; LAWRENCE, or CHARLOTTE, non'rrt CAROLINA? ATTACHMENT roe ELECTRIC MOTORS.
Specification off Letters Patent. Patented Aug. 22,1911.-
Application fi1ed=November 19, 1910. Serial No. 593,256.
facts will be communicated to an observe-r,
through the automatic operation of a signal.
Another object of the invention is to provide an adjustable support in which a contact element is held, the contact elementbeing releasable when an unusual degree of heat is generated in the machine, to close an electric circuit and to operate a signal; novel means being provided for actuating the contact element, subsequent to its release.
\Vith the above and other objects in view, which will appear as the description proceeds, the inve tion resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of invention herein disclosed can be made within the scope of what is claimed, without departing from the spirit of the invention.
In the drawings, Figure 1 shows in side elevation, and conventionally, an electric motor to which the device of my invention has been applied; Fig. 2 shows the invention in side elevation, the View being a detail en.-
larged from Fig. 1; Fig. 3 is a section upon the line'A-B of Fig. 2, parts being shown in elevation; and Fig. 4 is a section upon the l' {e C-D of Fig.2, parts being shown in elie vation.
{in the drawings, the motor is denoted generally by the numeral 1, and the hearing by the numeral 2, the armatmic shaft- 3 1'0- tating in this bearing 2.
In carrying out the invention there is provided .a ring 4, adapted to i'nclose the armature shaft 2, and to be secured to the motor 1. Ordinarily, this ring 4 is secured to the motor 1 by means of screws 5. An insulatirfg sheet 6 is interposed between the ring at and the motor 1, and an insulating tube 7 surrounds each of the'screws'o so as to-"insulate the said screws from the 'ring- 4. Moreover, insulating washers 8 are into; posed between the heads of the screws and the outer face of the ring 1. The diameter of the open ng in the ring 4 is somewhat greater than the diameter of the armature shaft 3, and by reason of this fact, a space '9 exists between the armature shaft '3 and the inner face of the ring 4.
In the edges of the ring 4 there are a plurality of threaded radial" openings 1O.
In each opening 10 a screw is mounted,
the screw carrying a loci: nut l2 'which',en--
gaging the ring 1, serves to hold'the screw 11 against rotation. In the inner endof the screw 11 there is a channel 14, in which a contact element 15,.ordi1iarily of copper or the like, is slidably mounted. This contact element 15 is held in place-within the channel 14:, and out of 'contact fwith the armature shaft 3 by means of one oran'ore- 1 touches of solder 16', or othermaterial-which i willmelt at a very low temperature infact,
melt at a temperature produced by the fric-f tional heating of the armature shaft- 3, the shaft 3 being typical of any moving part of a machine with which the device is adapted I to be assembled.
A spring 17 is seated in each of the channels 14, this spring 17 acting compressively to force the contact element 15 outwardly, as soon as the solder 16 has been melted away.
A binding post 18 is secured to the ring 4, and another binding post 19 is secured to the motor 1. From the binding post 18 a conductor 20'leads to an electric bell 22, which may be taken to typify any sort of signal which may be operated electrically. Another conductor 21 leads from the binding post 19 to a battery 23, another conductor 24 leading from the battery'2t to the electric bell 22.
From the foregoing explanation of the circuit, it will be seen that the ring 4 upon the one hand, and the armature shaft 3 upon the other hand, form the terminals of an electrical signal circuit which is normally open.
In case the armature shaft 3 or its bearing should be unduly heated, the fusible mawhereupon the spring 14 will actuate the .contactelem'ents 15 until one or more of i them come into bearing with the armature I shaft 3. The circuit will thus be closed, and
the'bell or other signal 22 be operated, thereby lndlcating at once, an undue heating in the motor.
It is to be noted; that should the armature fshaat 3, although not overheated, work loose material 16 is united in its hearing, so as to have a gyrating motion, the shaft, under such circumstances,-
tact elem nt; and'the armature shaft 3 may be adj'iiste When the screws 11 have thus 138611111016 [the nredetermin'ed positions, they may-bethere held by rgotating the lock nuts 12 into abutment with the ring 4:.
The ring constitutes-a holder for the screws 5-,. and the r ng 4: and the screws 5 constitute the 'carryingmeniber for the contact elements 15. Thescrews 11 act assup- .ports for the spring's'14 and the Contact elements 15. Obviously, the fusible material 16 constitutes a;-ithermostaticmeans whereby the contact-elements 15 are held in place.
By reason of the fact that this fusible with the contact element 15 and with the screw 11, it will be noted that thescrew 11 may be rotated to adjust the position of the contact element 15 with respect tothe armature shatt 3'without in any way breaking the. continuity between the fusible material 16 and the contact ele- -1ncrit 15.
- Having thus described the invention, what is claimed is:
1. In a device or the class described, a holder adapted to be secured to a machine in the vicinity of a moving par; of the machine; a screw threaded into the holder and provided with a channel in one end; a con-' tact element slid-able 1n the channel to'bear upon said *machine part, thereby to close an electric signal circuit of which the said part and contact element are terminals; a spring in the channel, for sliding the'contact element; and fusible material connecting the contact element with the screw to maintain the contact element spaced from said part.
2. In a device of the class described, a holder adapted to be secured to a machine in the vicinity of a moving part of the machine; a screw threaded into the holder and provided with a channel in one end; a lock nut upon the screw engaging the -holder; a contact element slidable in the channel to bear upon said machine part, thereby to close an electric signal circuit of which said part and the contact element. are terminals; a spring in the channel, for sliding the contact element; fusible material connecting the the contact element-spaced from said part.
1 In testimony that I claim the foregoing as my own, I have hereto affixed my sigcontact element with the screw to maintain 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59325610A US1001152A (en) | 1910-11-19 | 1910-11-19 | Attachment for electric motors. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59325610A US1001152A (en) | 1910-11-19 | 1910-11-19 | Attachment for electric motors. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1001152A true US1001152A (en) | 1911-08-22 |
Family
ID=3069478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US59325610A Expired - Lifetime US1001152A (en) | 1910-11-19 | 1910-11-19 | Attachment for electric motors. |
Country Status (1)
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US (1) | US1001152A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2676222A (en) * | 1949-05-04 | 1954-04-20 | John C Sule | Electrical switch operable by the field of a motor |
US2704314A (en) * | 1954-01-04 | 1955-03-15 | Clifford D Spracher | Multiple contact electric switch |
US2783319A (en) * | 1955-05-17 | 1957-02-26 | William D Killingsworth | Safety devices for deep well pump drive shafts |
US2853569A (en) * | 1955-01-14 | 1958-09-23 | Rolls Royce | Electrical warning and controlling device |
US4379291A (en) * | 1979-09-04 | 1983-04-05 | Texas Eastern Scientific Research, Inc. | Bearing failure indicator for rotating electric machines |
US4539499A (en) * | 1984-01-03 | 1985-09-03 | Punch William E | Device for detection of contact between rotor and stator |
US5602437A (en) * | 1994-07-27 | 1997-02-11 | Lucas Aerospace Power Equipment Corporation | Bearing failure detector for electric generator |
US6184601B1 (en) | 1999-02-24 | 2001-02-06 | Shop Vac Corporation | Thermally responsive protection apparatus |
EP1158086A2 (en) * | 2000-05-23 | 2001-11-28 | Miele & Cie. GmbH & Co. | Laundry treatment machine with a direct driving motor |
US6384497B1 (en) | 2000-08-15 | 2002-05-07 | Shop Vac Corporation | Thermally responsive protection apparatus for electric motors |
US6445099B1 (en) | 2000-05-09 | 2002-09-03 | Trw, Inc. | Bearing failure detector for electrical generator |
US20100156652A1 (en) * | 2008-12-23 | 2010-06-24 | Honeywell International Inc. | Portable bearing test device |
-
1910
- 1910-11-19 US US59325610A patent/US1001152A/en not_active Expired - Lifetime
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2676222A (en) * | 1949-05-04 | 1954-04-20 | John C Sule | Electrical switch operable by the field of a motor |
US2704314A (en) * | 1954-01-04 | 1955-03-15 | Clifford D Spracher | Multiple contact electric switch |
US2853569A (en) * | 1955-01-14 | 1958-09-23 | Rolls Royce | Electrical warning and controlling device |
US2783319A (en) * | 1955-05-17 | 1957-02-26 | William D Killingsworth | Safety devices for deep well pump drive shafts |
US4379291A (en) * | 1979-09-04 | 1983-04-05 | Texas Eastern Scientific Research, Inc. | Bearing failure indicator for rotating electric machines |
US4539499A (en) * | 1984-01-03 | 1985-09-03 | Punch William E | Device for detection of contact between rotor and stator |
US5602437A (en) * | 1994-07-27 | 1997-02-11 | Lucas Aerospace Power Equipment Corporation | Bearing failure detector for electric generator |
US6184601B1 (en) | 1999-02-24 | 2001-02-06 | Shop Vac Corporation | Thermally responsive protection apparatus |
US6445099B1 (en) | 2000-05-09 | 2002-09-03 | Trw, Inc. | Bearing failure detector for electrical generator |
EP1158086A2 (en) * | 2000-05-23 | 2001-11-28 | Miele & Cie. GmbH & Co. | Laundry treatment machine with a direct driving motor |
EP1158086A3 (en) * | 2000-05-23 | 2002-09-18 | Miele & Cie. GmbH & Co. | Laundry treatment machine with a direct driving motor |
US6384497B1 (en) | 2000-08-15 | 2002-05-07 | Shop Vac Corporation | Thermally responsive protection apparatus for electric motors |
US20100156652A1 (en) * | 2008-12-23 | 2010-06-24 | Honeywell International Inc. | Portable bearing test device |
US8094006B2 (en) | 2008-12-23 | 2012-01-10 | Honeywell International Inc. | Portable bearing test device |
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