Resources Contact Us Home
Expanding bellows for expulsion tank

Image Number 4 for United States Patent #4213545.

A positive expulsion tank incorporates an expanding bladder in the form of a metal bellows, which is adapted to undergo elastic deformation during a product storage condition to provide for thermal cycling of a stored product, and plastic deformation, during a product expulsion operation to achieve high efficiency expulsion of product from the tank. Convolution crests of the bellows are internally reinforced by rings, whereby plastic deformation of the bellows is caused to occur primarily in the root areas during the expulsion operation. As a result, the root areas are displaced radially outwardly towards the wall of the tank incident to axially directed extension of the bellows to lie in essential alignment with their adjacent crests when the bellows has been fully extended to complete the expulsion operation, thereby providing for expulsion efficiencies in excess of 97 percent.

  Recently Added Patents
Vehicle, toy, and/or replicas thereof
Traffic signal mapping and detection
Composite materials comprising aggregate and an elastomeric composition
Display screen of a mobile terminal or portion thereof with a graphical user interface
System and method for updating firmware
Use of beta-adrenoceptor antagonists for the manufacture of a medicament of the treatment of disorders of the outer retina
Spoofing detection for civilian GNSS signals
  Randomly Featured Patents
Combined grass trimmer and wheeled frame
Extensible apparatus
Arrangement for the diagnosis of the dimensions of a motor vehicle chassis
Self sustaining vegetated roof for harvesting and recycling rain water
Fluorescent task lamp with optimized alignment and ballast
High frequency voltage controlled oscillator IC using diffusion capacitance modulation
Automotive electric power unit
Method and apparatus for controlling a robot utilizing force, position, velocity, spring constant, mass coefficient, and viscosity coefficient
Color display system and method of driving the same
Apparatus and method for measuring electrical activity of heart