Dynamoelectric machine assemblies having memory for use by external devices

Patent metadata

Field	Value
Publication number	US-10270319-B2
Application number	US-201615335228-A
Country	US
Kind code	B2
Filing date	Oct 26, 2016
Priority date	May 29, 2008
Publication date	Apr 23, 2019
Grant date	Apr 23, 2019

Abstract

A method is provided for storing data from an external device in a dynamoelectric machine assembly (i.e., an electric motor or generator). The dynamoelectric machine assembly includes a memory device and a processor for controlling operation of the dynamoelectric machine assembly in response to commands from an external device. The method includes receiving a command from the external device to store data in the memory device of the dynamoelectric machine assembly, and storing the data in the memory device in response to the command. Dynamoelectric machine assemblies, external devices and systems suitable for use in the provided method are also disclosed.

First claim

What is claimed is:

1. An electric motor apparatus comprising:
a housing and an electric motor;
a motor controller for controlling the operation of the electric motor; and
a memory device positioned within the housing, the memory device including:
a first portion allocated to be written to and read from only by the motor controller for operating the electric motor,
a second portion allocated to be written to by only a system controller that is positioned outside the housing for storing data related to the operation of the system controller, the second portion operable to be read from by the system controller as well as other external devices, and
a third portion allocated to be written to and read from by only a handheld computer device that is positioned outside the housing for performing system configuration and troubleshooting.

2. The electric motor apparatus of claim 1 , wherein the data related to the operation of the system controller includes fault data and checksum data.

3. The electric motor apparatus of claim 1 , further comprising a communication interface, wherein said second and third portions of the memory device are configured to be written to and read by external devices via the communication interface.

4. The electric motor apparatus of claim 3 , wherein the communication interface includes an electrical connector.

5. The electric motor apparatus of claim 1 , wherein the memory device is nonvolatile memory.

6. The electric motor apparatus of claim 5 , wherein the nonvolatile memory device is an electrically erasable programmable read-only memory (EEPROM).

7. The electric motor apparatus of claim 1 , further comprising an air handler for an HVAC system.

8. A system comprising:
a blower motor assembly comprising a housing, an electric motor, a motor controller, and a memory device positioned within the housing for permitting a plurality of external devices to store non-transient data in and retrieve data from the memory device, the memory device being partitioned into at least a first portion, a second portion, and a third portion, wherein the first portion of the memory device is operable to be written to and read from only by the motor controller for operating the electric motor;
a system controller for controlling the blower motor assembly and operable to write data to and read data from only the second portion of the memory in the blower motor assembly; and
a handheld computer device for performing system configuration and troubleshooting and operable to read data from the second portion and to write data to and read data from the third portion of the memory in the blower motor assembly.

9. The system of claim 8 , wherein the data written to or read from the second portion of the memory device includes fault data and checksum data.

10. The system of claim 8 , further comprising a communication interface, wherein said second and third portions of the memory device are configured to be written to and read by external devices via the communication interface.

11. The system of claim 10 , wherein the communication interface includes an electrical connector.

12. The system of claim 8 , wherein the memory device is nonvolatile memory.

13. The system of claim 12 , wherein the nonvolatile memory device is an electrically erasable programmable read-only memory (EEPROM).

14. The system of claim 8 , further comprising an air handler for an HVAC system.

15. A method of maintaining data in an electric motor assembly, the electric motor assembly comprising a housing, a motor, a motor controller, and a memory device positioned within the housing, the method comprising the steps of:
receiving data from the motor controller to be written to only a first portion of the memory device;
sending data to the motor controller read from only the first portion of the memory device;
receiving data from a system controller to be written to only a second portion of the memory device;
sending data to the system controller read from only the second portion of the memory device;
receiving data from a handheld computer device to be written to only a third portion of the memory device; and
sending data to the handheld computer device read from the second portion or the third portion of the memory device.

16. The electric motor apparatus of claim 1 , wherein the second portion of the memory device is operable to be written to after manufacture.

17. The electric motor apparatus of claim 1 , wherein the second portion of the memory device is operable to be written to during operation.

18. The electric motor apparatus of claim 1 , wherein the data related to the operation of the system controller includes at least one of data representing a number of start commands, data specific to the OEM of the system controller, and data specific to the OEM of the electric motor apparatus.

19. The system of claim 1 , wherein the second portion of the memory device is operable to receive data not used for controlling operation of the motor.

20. The method of claim 1 , wherein the second portion of the memory device is not used by the motor controller for controlling operation of the motor.

Assignees

• Nidec Motor Corp

Inventors

• Shahi Prakash B
• Carrier Mark E
• Schock Christopher D

Classifications

• G06F2212/251

  Local memory within processor subsystem · CPC title

• G06F12/00

  Accessing, addressing or allocating within memory systems or architectures (digital input from, or digital output to record carriers, e.g. to disk storage units, G06F3/06) · CPC title

• H02K11/35 Primary

  Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis · CPC title

• H02K11/33

  Drive circuits, e.g. power electronics (H02K11/38 takes precedence) · CPC title

• G06F12/023

  Free address space management · CPC title