Liquid level control systems

Details Liquid level control systems Liquid level control systems

2009-04-17

2011-10-04

Barnes-Bullock, Crystal J (Department: 2122)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C702S047000, C702S051000, C702S055000, C073S001310, C073S001730, C073S29000R, C137S552700, C137S557000, C137S558000, C210S138000, C210S143000, C340S614000, C340S618000, C340S626000, C417S038000, C417S116000, C417S120000, C417S125000, C417S138000

Reexamination Certificate

active

08032256

ABSTRACT:
A system that control levels of liquids in reservoirs may include a control component that causes a compressor to pump gas through a tube extending in a liquid in a reservoir to an air bell for a predetermined amount of time responsive to a pump pumping portions of a liquid from the reservoir. The control component may also cause the compressor to pump gas through the tube for a predetermined amount of time responsive to the control component determining that a predetermined amount of time has passed since the compressor was previously operated. The control component may also cause the compressor to pump gas through the tube for a predetermined amount of time, responsive to the control component determining that a pressure sensor component in fluid communication with the tube indicates a possible decrease in the liquid level to at least a predetermined level.

REFERENCES:
patent: 4919343 (1990-04-01), Van Luik et al.
patent: 5059954 (1991-10-01), Beldham et al.
patent: 5069243 (1991-12-01), Foreman
patent: 5261276 (1993-11-01), Gifford
patent: 5351725 (1994-10-01), Suthergreen et al.
patent: 5439180 (1995-08-01), Baughman et al.
patent: 5749711 (1998-05-01), Park
patent: 5938409 (1999-08-01), Radle et al.
patent: 6368068 (2002-04-01), Corlew et al.
patent: 6443005 (2002-09-01), Chandler
patent: 6446014 (2002-09-01), Ocondi
patent: 6490919 (2002-12-01), Bilinski et al.
patent: 6595051 (2003-07-01), Chandler
patent: 6672200 (2004-01-01), Duffy et al.
patent: 6763714 (2004-07-01), Molina et al.
patent: 6817419 (2004-11-01), Reid
patent: 7011505 (2006-03-01), Muhs
patent: 7075443 (2006-07-01), Chandler et al.
patent: 7188613 (2007-03-01), Miura et al.
patent: 7224283 (2007-05-01), Chandler et al.
patent: 7558699 (2009-07-01), Beck et al.
patent: 7855345 (2010-12-01), Stevens et al.
patent: 7869978 (2011-01-01), Anderson et al.
patent: 7901190 (2011-03-01), Gray
patent: 7931447 (2011-04-01), Levin et al.
patent: 2008/0290011 (2008-11-01), Capano et al.
patent: 2009/0123295 (2009-05-01), Abbott
patent: 2009/0250395 (2009-10-01), Aker et al.
patent: 04014521 (1992-01-01), None
patent: 06057811 (1994-03-01), None
patent: 2007078413 (2007-03-01), None

Affiliated with

Also associated with

Rating

Liquid level control systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid level control systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid level control systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4286540