Air compressor tools that communicate with an air compressor

• US 7,481,627 B2
• Filed: 08/30/2004
• Issued: 01/27/2009
• Est. Priority Date: 08/30/2004
• Status: Expired due to Fees

• Current Assignee: MAT Industries, LLC (MAT Holdings, Inc.)
• Original Assignee: MAT Industries, LLC (MAT Holdings, Inc.)
• Inventors: Beckman, Kurt
• Primary Examiner(s): FREAY, CHARLES GRANT
• Application Number:
  US10/929,926
• Publication Number:
  US 20060045752A1
• Time in Patent Office: 1,611 Days
• Field of Search: 417/40, 417/44.1, 417/44.2, 417/313, 173/2, 173/171
• US Class Current: 417/44.1
• CPC Class Codes: F04B 2203/0209 Rotational speed
• CPC Class Codes: F04B 41/02 having reservoirs
• CPC Class Codes: F04B 49/022 by means of pressure
• CPC Class Codes: F04B 49/065 and making use of computers

Abstract

An air compressor utilizing an electronic control system. A pneumatically controlled regulator is provided for controlling output pressure for an air compressor. Digital gauges are provided on the air compressor to replace conventional mechanical gauges. A variable speed motor is used, which in turn varies the speed of the pump. Tools are provided for an air compressor that are capable of transmitting a signal to the air compressor indicating a desired pressure and/or motor speed at which the air compressor is to operate.

Claims

1. An air compressor, comprising:

a drive unit for generating compressed air;

a coupler for connecting the air compressor to one of a plurality of different air compressor air tools;

a receiver for receiving operating information particular to that air compressor air tool from the connected air compressor air tool; and

a controller for setting operation of the air compressor in accordance with the information.

2. The air compressor of claim 1, wherein the receiver is a wireless receiver.

3. The air compressor of claim 1, wherein the receiver is configured to receive the information from a signal carrying pneumatic hose.

4. The air compressor of claim 1, further comprising a variable speed motor, and wherein the operating information comprises a setting for speed of the motor.

5. The air compressor of claim 1, wherein the operating information comprises a setting for output pressure of the air compressor.

6. The air compressor of claim 1, wherein the air compressor comprises a tank for receiving the compressed air and the operating information comprises a setting for tank pressure of the air compressor.

9. The air compressor of claim 1, wherein the controller is configured to access a lookup table and upon receiving the information, accessing operating conditions for the air compressor via the lookup table.

10. The air compressor of claim 1, wherein the air compressor presents a base voltage potential via a first wire extending between the air compressor and the connected air tool to the connected air compressor air tool, and wherein the receiver comprises a device for receiving a current signal from a second wire extending between the air compressor and the air compressor air tool as a result of the base voltage potential being presented at the connected air compressor air tool, the first and second wires being electrically connected to form a circuit, and the information comprises an electrical resistance in the connected air compressor air tool which is in electrical communication with at least one of the first wire and the second wire that causes a measurable reduction in an electrical current flowing from the air compressor through the first and second wires and returning to the receiver.

7. The air compressor of claim l, the coupler further comprising a plug for attaching a signal carrying pneumatic hose, and wherein the plug comprises at least one electrical contact for receiving the information.

8. The air compressor of claim 7, wherein the plug comprises two electrical contacts, a first contact electrically connected to the plug and a second contact electrically insulated from the plug.

11. An air compressor, comprising:

a drive unit for generating compressed air;

a tank for receiving the generated compressed air,

a coupler and hose for connecting the tank of the air compressor to one of a plurality of different air compressor air tools, each air tool containing an operating information relating to that particular air tool;

a receiver for receiving the operating information from the connected air compressor air tool; and

a controller for setting operation of the air compressor in accordance with the information.

12. The air compressor of claim 11, wherein the coupler and hose comprise wires for transmitting an electrical current from the air compressor to the air compressor air tool and returning the current to the air compressor, and an electrical resistance located at the air tool and in electrical communication with the wires to change the current from the air compressor before it is returned to the air compressor.

13. The air compressor of claim 12, wherein the electrical resistance at the connected air compressor air tool is fixed.

14. The air compressor of claim 12, wherein the electrical resistance at the connected air compressor air tool is variable and adjustable by a user.

15. The air compressor of claim 11, wherein the operating information comprises a key removable from the connected air compressor air tool and attached to the air compressor.

16. The air compressor of claim 11, wherein the operating information comprises a signal transmitted by one of infrared and radio frequency.