Invention Grant
- Patent Title: Air system analyzer
- Patent Title (中): 空气系统分析仪
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Application No.: US172492Application Date: 1988-03-24
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Publication No.: US4899582APublication Date: 1990-02-13
- Inventor: Harold S. O'Dougherty
- Applicant: Harold S. O'Dougherty
- Assignee: Dougherty Harold S O
- Current Assignee: Dougherty Harold S O
- Main IPC: F04B51/00
- IPC: F04B51/00 ; G01F1/22 ; G01F7/00 ; G01F25/00
Abstract:
An air system analyzer device comprising a flowmeter having a plurality of selectable output ports of respective diameters and a plurality of float members selectively mountable within the flowmeter, together with a method for calibrating the output of a low volume pump and the efficiency of air delivery by the pump through an air system supplied by the pump.
Public/Granted literature
- US5776039A Exercise apparatus Public/Granted day:1998-07-07
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