Alan P Giles

US Patent:

53398580, Aug 23, 1994

Filed:

Jul 23, 1993

Appl. No.:

8/096691

Inventors:

Alan B. Giles - Laurel MD

Assignee:

Spurion Technology Pty. Ltd. - Cambridge

International Classification:

F04F 1002

US Classification:

137130

Abstract:

The invention provides a device for restoring a fluid level in a fluid receptacle to a predetermined level when the fluid level falls below the predetermined level, said device including: a closed vessel for containing a fluid supply, the vessel having an aperture allowing the fluid supply to be in communication with fluid in the fluid receptacle, and an air inlet tube extending into the vessel; wherein, in use, the inlet tube is positioned such that air is drawn into the vessel when the level in the fluid receptacle falls below the predetermined level thereby allowing fluid to pass through the aperture into the fluid receptacle until the fluid level is restored.