| US 7,491,034 B2 | ||
| Compressor protection and diagnostic system | ||
| Nagaraj Jayanth, Sidney, Ohio (US) | ||
| Assigned to Emerson Climate Technologies, Inc., Sidney, Ohio (US) | ||
| Filed on Apr. 11, 2006, as Appl. No. 11/402,318. | ||
| Application 11/402318 is a continuation of application No. 11/027757, filed on Dec. 30, 2004, granted, now 7,290,989. | ||
| Claims priority of provisional application 60/533236, filed on Dec. 30, 2003. | ||
| Prior Publication US 2006/0182635 A1, Aug. 17, 2006 | ||
| Int. Cl. F04B 49/06 (2006.01) | ||
| U.S. Cl. 417—44.1 [417/902] | 13 Claims |
| 1. A system comprising:
a compressor having a shell and a motor disposed within said shell;
a first sensor monitoring a discharge temperature of said compressor;
a second sensor monitoring a temperature of said motor;
a third sensor monitoring at least one of current and voltage;
processing circuitry receiving sensor data from said first sensor, said second sensor, and said third sensor and processing
said sensor data to diagnose said compressor; and
a pin connected to said motor to supply said motor with current and including a measurement region disposed along said pin,
said third sensor being disposed proximate to said measurement region.
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