Combination Gauge Tool

• US 20140259719A1
• Filed: 03/14/2014
• Published: 09/18/2014
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: Bosch Automotive Service Solutions LLC (Robert Bosch GmbH)
• Original Assignee: Bosch Automotive Service Solutions LLC (Robert Bosch GmbH)
• Inventors: Schumacher, Darren, Thorley, Simon M., Hanson, Denny, Chinnadurai, Manokar, Kaleal, Fred, Wittliff, William III
• Granted Patent: US 9,347,760 B2
• Time in Patent Office: Days
• US Class Current: 33/701
• CPC Class Codes: G01B 3/205 provided with a counter for digital indication of the measured dimension
• CPC Class Codes: G01B 5/0028 Brakes, brakeshoes, clutches
• CPC Class Codes: G01B 5/18 for measuring depth

Abstract

A combination gauge tool and a method of measuring are provided. The combination gauge tool includes a processing module having a sensor. The combination gauge tool includes at least two of a brake pad thickness gauge, a tire treads depth gauge, and a rotor thickness gauge each coupled to the processing module at one or more inputs of the sensor and configured to provide measurement data to the sensor.

Claims

1. A combination gauge tool, comprising:

a processing module having a pressure sensor and a displacement sensor; and

at least two of a brake pad thickness gauge, a tire treads depth gauge, and a rotor thickness gauge, each of the two being coupled to the processing module at one or more inputs and configured to provide a measurement data to either the pressure sensor or the displacement sensor.

2. The combination gauge tool of claim 1 further comprising:

an analog filter coupled to an output of the displacement sensor and the pressure sensor;

an analog to digital converter (ADC) configured to receive an output of the analog filter for digital conversion; and

a processor coupled to the ADC and configured to process the measurement data.

3. The combination gauge tool of claim 1, wherein the processing module further comprising:

a mode select switch configured to allow a user to select one of the brake pad thickness gauge, the tire treads depth gauge, and the rotor thickness gauge to provide the measurement data.

4. The combination gauge tool of claim 3, wherein the processing module further comprising:

a knob selectably coupled to the brake pad thickness gauge, the tire treads depth gauge, and the rotor thickness gauge to adjust a position or a displacement of a component of the brake pad thickness gauge, the tire treads depth gauge, and the rotor thickness gauge during use.

5. The combination gauge tool of claim 2 further comprising:

a digital display coupled to the ADC, wherein the measurement data is electronically displayed on the digital display after digital conversion by the ADC.

6. The combination gauge tool of claim 2 further comprising:

a battery or a power source configured to provide power to the ADC.

7. The combination gauge tool of claim 2 further comprising:

a wireless module configured to transmit the processed measurement data to an external computing device; and

a memory coupled to the processor and configured to store the measurement data.

8. The combination gauge tool of claim 1, wherein the rotor thickness gauge or the brake pad thickness gauge is removable from the combination gauge tool.

9. The combination gauge tool of claim 1, wherein the displacement sensor communicates with the pressure sensor.

10. A method of measuring using a combination gauge tool, the method comprising:

selecting a measurement tool from one of one of a brake pad thickness gauge, a tire treads depth gauge, and a rotor thickness gauge using a mode selection switch of the combination gauge tool;

measuring a measurement value using the selected measurement tool coupled to a component of a vehicle;

determining the measurement value with a pressure sensor or a displacement sensor that is coupled to the selected measurement tool; and

digitally displaying the measurement value on an electronic display of the combination gauge tool.

11. The method of claim 10 further comprising:

converting an output of the pressure sensor or the displacement sensor into a digital format using an analog to digital converter (ADC) coupled to the pressure sensor and the displacement sensor.

12. The method of claim 11 further comprising:

filtering the output of the displacement sensor or the pressure sensor using an analog filter prior to providing the output to the ADC; and

processing a digital output of the ADC using a microprocessor coupled to the ADC.

13. The method of claim 10 further comprising:

powering the combination gauge tool with an internal battery or a power source.

14. The method of claim 10 further comprising:

communicating the measurement value wirelessly, with a wireless module, to an external computing device.

15. The method of claim 10, wherein the measuring further comprises:

adjusting a position of a component of the selected measurement tool with a knob that is coupled to the selected measurement tool.

16. The method of claim 10, wherein the measuring further comprises:

receiving a rotor between the rotor thickness gauge and the tire treads depth gauge without having to remove a tire of the vehicle.

17. A combination gauge tool, comprising:

a brake pad thickness gauge coupled to at least one of a pressure sensor or a displacement sensor;

a tire treads depth gauge coupled to at least one of the pressure sensor or the displacement sensor;

a rotor thickness gauge coupled to at least one of the pressure sensor or the displacement sensor;

a microprocessor configured to digitally process respective signals outputted by the pressure sensor or the displacement sensor; and

a digital display coupled to the microprocessor to electronically display a measured value corresponding to the respective processed signals.

18. The combination gauge tool of claim 17 further comprising:

an analog filter coupled to the signals outputted by the displacement sensor and the pressure sensor; and

an analog to digital converter (ADC) configured to receive an output of the analog filter for digital conversion.

19. The combination gauge tool of claim 17 further comprising:

a memory coupled to the microprocessor and configured to store the measured value.

20. The combination gauge tool of claim 17 further comprising:

a wireless module configured to transmit the processed signals to an external computing device; and

a knob selectably coupled to the brake pad thickness gauge, the tire treads depth gauge, and the rotor thickness gauge to adjust a position or a displacement of a component of the brake pad thickness gauge, the tire treads depth gauge, and the rotor thickness gauge during use.