USRE14302E - A coepoeation of penn - Google Patents
A coepoeation of penn Download PDFInfo
- Publication number
- USRE14302E USRE14302E US RE14302 E USRE14302 E US RE14302E
- Authority
- US
- United States
- Prior art keywords
- switch
- lever
- controlling
- signal
- circuit
- Prior art date
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- 230000001276 controlling effect Effects 0.000 description 83
- 230000000875 corresponding Effects 0.000 description 12
- 239000004020 conductor Substances 0.000 description 9
- 230000004048 modification Effects 0.000 description 4
- 238000006011 modification reaction Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 230000001419 dependent Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002148 phenethicilloyl group Chemical group C(=O)(O)[C@@H]1N[C@H](SC1(C)C)[C@@H](C(=O)*)NC(C(C)OC1=CC=CC=C1)=O 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Definitions
- munus pzr n can rnafb-urum.
- WISNIIGYON 0. c.
- My invention is particularly adaptable to the controlling circuits for electro-pneuniatic and electric systems of switch and signal operation.
- Figure 1 is a diagrammatic view showing an arrangement of circuits adaptable to the electric or electro-pneumatic system of control of switches and signals, and embodying my invention.
- Figs. 2 and 3 are views similar to Fig. 1, but showing the changes in position of the various parts during the movement of a switch.
- Fig. 4 is a diagrammatic view showing a modification of my inven tion adaptable to the electric or electropneumatic system of control of switches and signals.
- Figs. 5 and 6 are views similar to Fig. 4 but showing the changes in position of the various parts during the movement of a switch.
- Fig. 7 is a View showing a modification of the system of Fig. 1.
- the reference character 2 designates a. section of straight track from which a switch A leads to a branch track 3.
- a signal B governs traffic over switch A.
- the letter M designates an interlocking machine, comprising a lever A which controls: the switch A, and a lever B which controls the signal B.
- Several electric circuit controllers operated by the lever A are diagrammatically represented by movable contact pieces 6, 7, 8, 9 and 10, 5S and 59.
- a circuit controller operated by the signal lever B is represented diagrammatically by a movable contact piece 11.
- a circuit controller or switch indication controller 21 is operated by the movement of the switch A in a manner well known in the art.
- N and R whose circuits'are controlled by the switch indication controller 21, permit the switch operating lever to complete its movement when the switch A has made a complete stroke in one direction or the other.
- the normal indication magnet N is energized when the switch has completed its stroke to the normal position, thereby permitting the controlling lever A to be moved to the extreme limit of its stroke. This latter movement unlocks on the machine all levers the movement of which would not interfere with the new position of the switch A.
- These indication magnets N and R may also be used as lock magnets .controlled by a track circuit to lock the controlling lever A in its extreme position in case of a car being near the switch A.
- the magnets N and R are energized by a circuit passing through an armature contact on a track relay 19, as more fully described hereinafter.
- This track relay 19 and its track circuit, as well as the locking circuits controlled thereby are not essential features of a system embodying my invention, as the invention may be applied equally well to a system in which any suitable means are employed to prevent a movement of a switch controlling lever when the rails adjacent the switch are occupied by a car or train.
- 12 designates a circuit controller operated by the latch handle on the lever A, in a manner well known in the art.
- the movements of the switch A are accomplished by means of any suitable motor device, here shown as being two solenoids and 56 which move a plunger 57 in one direction or the other according to which solenoid is energized.
- the circuits for these solenoids are controlled by contacts 58 and 59 on the lever A, and these circuits are shown in short dash lines.
- the circuit for solenoid 55 is from battery 13 through wires 110, 50 and 51, contact 58, wire 53, solenoid 55, wires 54 and 101 to battery.
- the circuit for sole noid 56 is similar, and need not be traced in detail.
- a relay magnet 14 which may be located near the interlocking machine, is connected in a branch of the indication circuits. The use of this relay in connection with the associated apparatus herein described, constitutes my present invention.
- This relay 14 is, with the parts in the posi tions shown in Fig. 1, energized by a circuit which may be traced as follows: from battery 13 through wire 101, bridge of indication box 21, wires 111 and 117, contact 6, wire 118, relay 14:, wires 119 and 110 to battery 13.
- a circuit which may be traced as follows: from battery 13 through wire 101, bridge of indication box 21, wires 111 and 117, contact 6, wire 118, relay 14:, wires 119 and 110 to battery 13.
- the signal B On account of the armature of re lay lt being in a closed position, it is possible to move the signal B to its clear posi tion by turning its controlling lever B to the right, thus closing a circuit as follows: from battery 13 through wire 123, signal B, wire 124:, contact 11 on controlling lever B, wire 125,. armature 16 of relay 14, wire 126 to battery 18.
- This circuit is shown in long and short dash lines on the drawings.
- Fig. 1 shows all parts of the indication circuits and apparatus in normal position.
- the relay 19- is energized as Upon closing the circuit controller 12 by means of the handle latch on lever A, a circuit is completed as follows: from battery 13 through wires 101 and 127, armature 20 of relay 19, wire 128, armature 15 of relay 14, wires 129 and 132, contact 10 operated by lever A, wires 130 and 114, normal indication magnet N, wires 115 and 108, circuit controller 12, wires 109 and 110 to battery 13.
- the switch operating lever A is released by means of the w ll known latch device, and it can be moved to the operating position shown in Fig. 2. With the lever A in this position the switch operating circuit through solenoid 55 will be closed to cause a reverse movement of the switch A. Upon the completion of this movement and after the locking of the switch in its new position, the circuit controlling bridge 22 in. the switch indication box 21 will have moved to the position shown in Fig. 2.
- the controlling lever A is now ready for a release to permit of its completing its movement to the reverse position, and upon closing the latch circuit controller 12 the release or indication circuit is closed as follows: from battery 13 through wires 101 and 150, bridge 22 of indication box 21, wire 102, contact 9, wire 101, indication magnet R,,wires 107 and 108, circuit controller 12, wires 109 and 110 to battery 13.
- the reverse indication magnct B being thereby energized, the controlling lever A is released and allowed to complete its move-
- the signal B can now be cleared by moving its controlling lever B to the right. the signal circuit being the same as hereinbefore traced. Referring to Fig. 2, it will be noted that until the controlling lever A has completed its movement, the relay 14: remains deenergized owing to the break in its circuit at the contact 7.
- An indicating device 24 may be connected with the locking circuit in such manner as to indicate to an operator whether or not tracks 2 or 3 within the limits of the track circuit are occupied.
- This indicating device is here shown as being an incandescent lamp, although any other form of indicator, such for instance as an electromagnetic device, may be used equally well.
- This use of the lamp is not new, but when used in connection with the relay and circuits of my invention it serves the additional function of indicating to the operator .at a glance when a switch has become misplaced with respect to its controlling lever. Referring to Fig. 1 it will be seen that this lamp is here illuminated, its circuit being as follows: from battery 13 through wires 101 and 127, armature 20 of track relay 19, wire 128.
- FIG. 7 I here show a modification of the circuits of Figs. 1, 2 and 3 which may at times be desirable.
- a modification of my invention which is adaptable to either the electric or the electro-pneumatic system of control of switches and signals. It is particularly adaptable for any system in which it is not advisable or possible to use the indication wires and indication controller on the switch, and involves the use of one additional wire 136 between the switch and its controlling lever.
- the switch A operates a circuit controller 25, here shown as being a movable contact piece. A similar contact piece 26 is operated by the lever A. on the controlling machines.
- the protecting relay 14 is connected in a circuit which includes these two circuit controllers, in such manner that the controllers must be in certain relative positions before the relay will be energized. Referring to Fig.
- the relay circuit is as follows: from battery 13 through wire 135, contact piece 25, wire 136, relay 14, wire 137, contact piece 26, wire 138 to battery 13.
- the relay 14 being thereby energized, the controlling circuit for signal B may be closed by moving the controlling lever B to the right, this circuit being as follows: from battery 13 through wires 135 and 126, armature 16 of relay 14, wire 125 contact piece 11 on controlling lever B, wire 124, signal B, wires 123 and 134 to battery 13.
- the wires which are peculiar to this circuit are shown in long and short dash lines.
- the switch is here shown as having completed its reverse movement, but the indication not having as yet been received, the controlling lever has not completed its stroke.
- the circuit through the relay 14 is therefore open at the contact piece 26, and, the relay being therefore deenergized, the signal circuit cannot be closed.
- the controlling lever may be moved to the limit of its stroke and the parts will assume the positions shown in Fig. 6.
- the circuit is again closed through the relay 14, thus permitting the circuit for sig nal B to be closed through the armature 16.
- a railway switch capable of normal and reverse positions
- a controlling lever therefor capable of normal and reverse positions corresponding to the positions of the switch
- a circuit controller operatively connected with the switch and a circuit controller operated by the lever
- a relay a circuit for said relay including the two said circuit controllers, which circuit is closed only when the switch and the lever are both in normal or both in reverse positions, a signal governing traflic over said switch, and means for continuously controlling said signal by the relay whereby the signal cannot be cleared unless the switch and the lever are in corresponding extremo positions, and whereby the signal will be returned to its danger indication if either the switch or the lever is moved after the signal has been cleared.
- a railway switch gas pable of normal and reverse positions, a controlling lever therefor capable of normal and reverse positions corresponding to the positions of the switch, a circuit controller operatively connected with the switch and a circuit controller operated by the lever, a circuit including said circuit controllers which circuit is closed only when the switch and the controlling lever are both in normal or both in reverse positions, and a signal governing traffic over said switch and continuously controlled by said circuit whereby the signal cannot be cleared unless the switch and the lever are in corresponding extreme positions, and whereby the signal will be returned to its danger .indication if either the switch or the lever is moved after the signal has been cleared.
- a railway switch capable of normal and reverse positions
- a controlling lever for said sw-itch capable also of normal and reverse positions corresponding to the positions of the switch, a common wire and two other conductors extending between the switch and the controlling lever, means controlled by the switch for connecting one end of the common wire with one of said conductors or the other according as the switch 1s in normal or reverse position, means controlled by the lever for connecting the other end of the common wire with one of said conductors or the other according as the lever is in normal or reverse position, the two ends of the common wire being connected with the same conductor when the switch and the lever occupy corresponding positions, a source of current included in said common wire, a signal.
- a railway switch capable of normal and reverse positions
- a controlling lever for said switch capable also of normal and reverse positions corresponding to the positions of the switch
- a common Wire and two other conductors extending between the switch and the controlling lever
- the two ends of the common wire being connected with different conductors when the switch and the lever are in corresponding positions
- a source of current connected between said two conductors
- a signal governing trafiic over the switch and means included in said common wire for controlling said signal.
- a railway switch a lever for the control thereof, indication means for governing said lever, circuits for said indication means, circuit controlling contacts operatively connected with said switch for controlling said circuits, translating means, circuits for said translating means including said switch controlled contacts and portions of the circuits for the indication means and contacts operated by said lever, said circuits requiring that the switch and the lever coincide in extreme po sitions to energize the translating means, a signal governing traflic over said switch, and means 'for controlling said signal by said translating means.
- a railway switch an interlocking machine comprising a lever for controlling said switch, indication means for governing said lever, circuits for said indication means, circuit controlling contacts operatively connected with said switch for controlling said circuits, translating means, circuits for said translating means including said switch contacts and portions of said indication circuits and contacts actuated by said lever, said circuits requiring that the switch and the lever coincide in extreme positions to energize the translating means, a signal governing traflic over said switch, a lever comprised also in said interlocking machine for controlling said signal, and means for also controlling said signal by said translating means.
- an interlocking machine comprising a lever for the control of said switch, means for actuating said switch in response to partial movements of the lever, electrically controlled indication means for governing said lever, circuits for said indication means, circuit controlling contacts operatively connected with said switch for controlling said circuits to cause operation of said indication means to allow completion of the movement of the lever when the.
- an interlocking machine comprising a lever for the control of said switch, means for actuating said switch in response to partial movements of the lever, two electric locks for said lever one for preventing completion of the movement of the lever in each direction, a circuit for each lock, circuit controlling contacts operatively connected with the switch for closing one or the other of said lock cir cuits when the switch has completed its movement in response to the partial move ment of the lever, translating means, circuits for said translating means including said switch contacts and portions of said lock circuits and contacts actuated by said lever, said circuits requiring that the movement of the lever shall be completed to fully coincide in extreme position with the new position of the switch before the translating means can be energized, a signal governing traflic over said switch, a lever comprised also in said interlocking machine for controlling said signal, and means for also controlling said signal by said translating means.
- interlocking machine comprising a lever for the control of said switch, means for actuating said switch in response to partial movements of the lever, two electric locks for said lever, one for preventing completion of the movement of: the lever in each direction, a circuit for each lock, circuit controlling contacts operatively connected with the switch for closing one or the other of said lock circuits when the switch has completed its movement in response to the partial movement of the lever, a circuit controller operated by the lever for preventing closure of each lock circuit except when the lever occupies the partially completed position of movement from which it is to be released by the corresponding lock, a relay, a circuit therefor including said switch operated contacts and portions of the lock circuits and contacts actuatedby the lever, said relay circuit requiring that the movement of the lever be completed to correspond to the new position of the switch before the relay can be energized, a signal governing trafiic over said switch, a second lever comprised in said interlocking machine for controlling said signal, and means for also controlling said signal by said relay.
- an interlocking machine comprising a lever for the control of said switch, means for actuating said switch in response to partial movements of the lever, two electric locks for said lever, one for preventing completion of the movement of the lever in each direction, a circuit for each look, a circuit controller operatively connected with the switch for closing one or the other of said lock circuits when the switch has completed its movement in response to the partial movement of the lever, translating means, means operated by the lever upon the completion of a movement thereof for disconnecting from its circuit the lock which was energized to release the lever and connecting said translating means in the last-mentioned circuit, a signal governing traflic over said switch, a second lever comprised in said interlocking machine for controlling said signal, and means for also controlling said signal by said translating means.
- a railway switch an interlocking machinecomprising a lever for Copies of this patent may be obtained for controlling said switch, means for actuating the switch in response to partial movements of said lever, two electrically controlled locks for said lever one for preventing com pletion of the movement of the lever in one direction and the other for preventing com-' pletion of the lever in the other direction, circuits for said locks comprising a common wire and two individual wires one for each lock, circuit controlling contacts operatively connected with the switch for energizing one or the other of said lock circuits when the switch has completed its movement in response to the partial movement of the lever, translating means; circuits for said translating means comprising said common return wire, said switch actuated contacts, portions of said two individual wires and contacts operated by said lever, said circuits requiring that the, switch and'the lever occupy coincident extreme positions to energize the translating means; a signal governing trailic over said switch, a second lever comprised in said interlocking machine for controlling said signal, and means
- a railway switch an interlocking machine comprising a lever for said switch, means for actuating said switch in response to partial movements of said lever, circuit controlling contacts one or another of which is closed according as the switch occupies one extreme position or the other, indication means controlled by said contacts for governing the movements of said lever, contacts actuated by said switch controlling lever, a signal governing traffic over said switch, a second lever comprised in said interlocking machine for controlling said signal, and means for also controlling said signal by said first mentioned contacts and by said second mentioned contacts, said two groups of contacts requiring that the switch and its controlling lever coincide in extreme positions in order that the signal may indicate clear.
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