Resources Contact Us Home
Lock using air chambers

Image Number 12 for United States Patent #5013184.

A lock using lock chambers and lock gates capable of reducing the water consumption in the operations of raising or lowering the boat passing through the lock from one level to another. The lock includes flexible air chambers capable of being inflated with air, located on bases of the lock chambers which are connected by a pipe equipped with a valve for controlling a flow of air between the air chambers.

  Recently Added Patents
Apparatus and method for discharging capacitor of input filter of power supply, and power supply including the apparatus
Methods for diagnosing irritable bowel syndrome
Analogue-to-digital converter
Notification systems and methods that consider traffic flow predicament data
Hybrid CMOS nanowire mesh device and PDSOI device
Method of manufacturing crystalline silicon solar cells with improved surface passivation
Display apparatus having a semi-penetration layer and a sealing unit
  Randomly Featured Patents
Method for correcting a lithography projection objective, and such a projection objective
Method and composition for crystallizing G protein-coupled receptors
Method and apparatus for managing replicated and migration capable session state for a Java platform
Detachable fastening of a decorative strip
Sieving apparatus for a bio-chip
Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition
Method of calibrating the meter of a product distribution apparatus and monitoring method
Precharge circuit with small width
Process and circuit for heating up a glow plug