Invention Grant
- Patent Title: Residual life indicator
- Patent Title (中): 剩余寿命指标
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Application No.: US12043660Application Date: 2008-03-06
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Publication No.: US08205483B1Publication Date: 2012-06-26
- Inventor: Gregory W. Peterson , Christopher J. Karwacki , David Friday , Marc Shrewsbury
- Applicant: Gregory W. Peterson , Christopher J. Karwacki , David Friday , Marc Shrewsbury
- Applicant Address: US DC Washington
- Assignee: The United States of America as represented by the Secretary of the Army
- Current Assignee: The United States of America as represented by the Secretary of the Army
- Current Assignee Address: US DC Washington
- Agent Ulysses John Biffoni
- Main IPC: G01N15/08
- IPC: G01N15/08
Abstract:
A residual life indicator for determining the residual life of a filter has a first sample filter with an inlet coupleable to an inlet of the filter whose residual life is to be determined, a second sample filter having an inlet coupleable to an outlet of the filter whose residual life is to be determined, a chemical tracer source selectively coupled to the inlets of the first and second sample filters, and a detector selectively coupled to outlets of the first and second filters.
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