# US 10,781,054 B2 · System and method for belted arm divert actual speed sensing

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- Number: US 10,781,054 B2
- Document ID: US10781054B2
- Status: Granted
- Kind: B2
- Application number: 16/653,093
- Filed: 2019-10-15
- Published: 2020-04-16
- Granted: 2020-09-22
- Earliest claimed: 2018-10-16
- Assignees: Siemens Logistics LLC
- Applicants: Siemens Logistics LLC
- Inventors: Michael D. Carpenter
- Web page: https://patentgrep.com/patent/US10781054B2

## CPC

- B65G 47/53: between conveyors which cross one another
- B65G 47/766: {Adjustable ploughs or transverse scrapers}
- B65G 15/00: Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration (having load-conveying surfaces formed by interconnected longitudinal links B65G17/06)
- G05B 19/05: Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- B65G 43/10: Sequence control of conveyors operating in combination
- B65G 2203/0291: Speed of the load carrier
- B65G 2203/042: Sensors
- B65G 2811/095: Speed variation control means
- B65G 2812/02217: characterised by the configuration
- G05B 2219/14001: Detect direction, sign of change of signal
- B65G: TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS (packaging B65B; handling thin or filamentary materials, e.g. paper sheets or thread, B65H; cranes B66C; portable mobile or lifting or hauling appliances, e.g. hoists, B66D; devices for lifting or lowering goods for loading or unloading purposes, e.g. fork-lift trucks, B66F9/00; emptying bottles, jars, casks, barrels or similar containers, not otherwise provided for, B67C9/00; delivering or transferring liquids B67D; filling or discharging vessels for liquefied, solidified or compressed gases F17C; pipe-line systems for fluids F17D)
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)

## Abstract

A diverter system includes a conveyor belt with a horizontal belt surface, a diverter arm comprising a diverter belt with a vertical diverting belt surface, the diverter arm being operated by an actuator assembly, a sensing device for monitoring a speed of the vertical diverting belt surface, and a control unit operably coupled to the sensing device, wherein the control unit adjusts the speed of the vertical diverting belt surface according to a predefined ratio of speed between the horizontal belt surface and the vertical diverting belt surface.

## Claims

### Claim 1

A diverter system comprising:
a conveyor belt with a horizontal belt surface,
a diverter arm comprising a diverter belt with a vertical diverting belt surface, the diverter arm being operated by an actuator assembly,
a sensing device for monitoring a speed of the vertical diverting belt surface, and
a control unit operably coupled to the sensing device,
wherein the control unit is configured to adjust the speed of the vertical diverting belt surface according to a predefined ratio of speed between the horizontal belt surface and the vertical diverting belt surface.

### Claim 2 (depends on 1)

The diverter system of claim 1, wherein the speed of the vertical diverting belt surface is adjusted in response to a measurement of the sensing device.

### Claim 3 (depends on 2)

The diverter system of claim 2, wherein the control unit is configured to continually adjust the speed of the vertical diverting belt surface during operation of the diverter arm.

### Claim 4 (depends on 1)

The diverter system of claim 1, wherein the sensing device comprises a stationary sensor mounted to the diverter system such that the speed of the vertical diverting belt surface is measurable in an extended position and/or in a retracted position of the diverter arm.

### Claim 5 (depends on 4)

The diverter system of claim 4, wherein the stationary sensor comprises an optical sensor or a rotary encoder or a tachometer.

### Claim 6 (depends on 1)

The diverter system of claim 1, wherein the sensing device comprises a sensor and sensing members, the sensing members travelling with the vertical diverting belt surface such that the sensing members pass over the sensor during operation of the diverter arm.

### Claim 7 (depends on 1)

The diverter system of claim 1, further comprising means for measuring or providing the speed of the horizontal belt surface.

### Claim 8 (depends on 1)

The diverter system of claim 1, wherein the control unit comprises a programmable logic controller operably coupled to a drive of the actuator assembly for operating the diverter arm, the drive regulating a frequency of the diverter belt.

### Claim 9 (depends on 1)

The diverter system of claim 1, wherein the control unit is integrated into a drive of the actuator assembly for operating the diverter arm, the drive regulating a frequency of the diverter belt.

### Claim 10 (depends on 1)

The diverter system of claim 1, wherein the control unit is configured to determine a class length and/or the speed of the vertical diverting belt.

### Claim 11

A method for operating a diverter system comprising:
determining a speed of a vertical diverting belt surface of a vertical diverter belt, and
continually adjusting the speed of the vertical diverting belt surface according to a predefined ratio of speed between a horizontal belt surface of a conveyor belt and the vertical diverting belt surface.

### Claim 12 (depends on 11)

The method of claim 11, wherein the speed of the vertical diverting belt surface is adjusted in response to a measurement of a sensing device.

### Claim 13 (depends on 11)

The method of claim 11, wherein the speed of the vertical diverting belt surface is adjusted during operation of the vertical diverter belt.

### Claim 14 (depends on 11)

The method of claim 11, wherein determining the speed of the vertical diverting belt surface comprises measuring the speed by a sensing device mounted to the diverter system.

### Claim 15 (depends on 14)

The method of claim 14, wherein the sensing device comprises a stationary sensor mounted to the diverter system such that the speed of the vertical diverting belt surface is measurable in an extended position and/or in a retracted position of the diverter arm.

### Claim 16 (depends on 15)

The method of claim 15, wherein the stationary sensor comprises an optical sensor or a rotary encoder or a tachometer.

### Claim 17 (depends on 11)

The method of claim 11, further comprising:
determining a class length of the vertical diverting belt.

### Claim 18 (depends on 11)

The method of claim 11, wherein adjusting the speed of the vertical diverting belt surface comprises determining an error of the speed and increasing or decreasing the speed based on the error by a control unit.

### Claim 19 (depends on 18)

The method of claim 18, wherein the control unit comprises a programmable logic controller operably coupled to a drive of an actuator assembly for operating the vertical diverter belt, the drive regulating a frequency of the diverter belt to increase or decrease the speed.

### Claim 20

A non-transitory computer readable medium storing computer executable instructions that when executed by at least one processor perform a method comprising:
determining a speed of a vertical diverting belt surface of a vertical diverter belt, and
continually adjusting the speed of the vertical diverting belt surface according to a predefined ratio of speed between a horizontal belt surface of a conveyor belt and the vertical diverting belt surface.
