The Backpack Motorized Sprayer

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Sample Backpack Motorized Sprayer (Fig. 1). It is developed on a basis
American Accessible 9, 062, 664 B2. It can be characterized as effective, reliable, and the competitive device to spray water and paint. The given design of a spray creates the maximum convenience in work with choice quality of management in a broad range of pressure and process of spraying of liquid assets.

The reason for our success: for a lot of years we have conducted constant search of new possibilities for growth and development of vibrating technology. It allows to support our achievements. We plan to execute the further scientific research which will allow us to remain competitive.

The Purpose and Advantages

• to spray water solutions, viscous oil solutions and paint
• to minimize energy consumption, to expand a scope
• to work with various liquids with which known piston and other pumps cannot work
* allows user to change the motor speed changing flow rate
* reduce pressure for smaller tips and increase pressure for larger tips
• allows to make various on capacity and pressure effective pumps and sprayers

Problems Solved

In industrial, medical, agricultural, in scientific researches and in housekeeping - everywhere where it is necessary to spray various liquids. Currently, a variety of pumping devices are available for accomplishing this task. Unfortunately, certain design features of piston pumps do not allow effective pumping of liquids with higher viscosities. In this case productivity of piston and other types of pumps decreases and consumption of energy of a drive of the pump increases.

Detailed Description & Features

 A New Generation of Hydraulic Vibratory Pumps utilizes unique vibratory-cavitation technology to effectively dispense liquids and fluids with minimal effort. This innovative product comprises a working cylinder with a fluid inlet and a fluid outlet, a rod extending into the cylinder, a piston fixed to the rod, a plate fixed to the rod and spaced from the piston, an activator slid ably mounted to the rod between the piston and the plate, and an oscillating pumping mechanism. The oscillating pumping mechanism is operable connected to the rod to move the rod with respect to the working cylinder. The sliding activator creates cavitation in the pumped fluid to increase the overall ease of pumping the fluid. The pump can also include an external cylinder disposed around the working cylinder to impart rotational motion to the incoming fluid, thereby enhancing the cavitation created in the fluid by the pump, rendering the fluid easy to disperse. The hydraulic pump and sprayer can be offered in several different variants for a wide range of applications.


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  • Name:
    Grigori Lishanski
  • Type of entry:
    Team members:
    Grigori Lishanski, Oleg lishanski, Evgene Romonenko
  • Profession:
  • Grigori's favorite design and analysis tools:
    Computer designing of devices,
    Production and testing of pre-production models
  • Grigori's hobbies and activities:
    Sports, fishing,travel
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  • Grigori is inspired by:
    Love to knowledge and scientific search
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