Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Liquid closing device










Image Number 2 for United States Patent #4681131.

A device for closing a transport duct for a liquid with the aid of said liquid, for example, a siphon, said device mainly comprising a housing (1) with a liquid chamber, a tube stub (4) connected in airtight manner with said housing (1) and reaching at the most up to the liquid chamber and a drain stub (5) opening out above the liquid chamber for connection with the transport duct (15), wherein around the pipe stub (4) there is arranged a body (8) capable of floating on the liquid, while airtight means (10) are arranged between the floating body (8) and either the pipe stub (4) or the wall of the housing (1), whereby it is no longer necessary to have the pipe stub (4) reaching into the liquid in the liquid chamber so that, when liquid is drained, a stream can directly flow beyond the liquid chamber towards the transport duct (15).








 
 
  Recently Added Patents
Variable month cross-platform photo calendar builder
Toilet
Information recording medium and information processing method for accessing content with license or copyright protection
Base station apparatus and communication control method
Drug delivery system
Systems and methods for generating a hybrid text string from two or more text strings generated by multiple automated speech recognition systems
Semiconductor device
  Randomly Featured Patents
Expandable door frame and method of installation
Combination lock assembly
Supported catalyst
Import declaration/foreign supplier invoice payment reconciliation process
Method of optimizing the metering of charge-reversal agent into paper broke
Cavity resonators with frequency-linear tuning
Dust collecting device for vacuum cleaner
Droplet ejection apparatus
Toothbrush
Estimation and resolution of carrier wave ambiguities in a position navigation system