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Reciprocating water pump

Inactive Publication Date: 2014-07-17
SUPER PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005]The present disclosure generally relates to a reciprocating jetting water pump. More specifically, the present disclosure relates to a recipro

Problems solved by technology

Current jetting water pumps used in the sewer cleaning industry and the hydro-excavation industry suffer from issues with respect to seal wear, serviceability, setting water pressure and measuring water flow, preparing for cold

Method used

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Examples

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Example

DETAILED DESCRIPTION OF THE DRAWINGS

[0023]A vacuum truck, such as a sewer and catch basin cleaning truck 10, is shown in FIG. 1. Although a sewer and catch basin cleaning truck 10 is shown in FIG. 1, the system of the present disclosure could be used with other types of vacuum trucks, such as hydro excavators, liquid vacuum trucks, industrial vacuum loaders or sewer jetter trucks. The sewer cleaning truck 10 shown in FIG. 1 includes an extendable suction hose 12 that removes debris from within a sewer and stores the removed debris within an onboard debris tank 14. The cleaning truck further includes a hydro-evacuation system that directs a high pressure flow of water into the sewer to loosen debris within the sewer and direct the loosened debris toward the suction hose 12. An example of such a cleaning truck is the Camel® sold by Super Products of New Berlin, Wis. Referring now to FIG. 2, the water pump system 20 of the present disclosure is shown schematically. The system includes ...

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Abstract

A reciprocating jetting water pump primarily for use on a vacuum truck is disclosed. The jetting water pump includes a pair of reciprocating pistons that are each movable within an outer cylinder mounted to a center block. The outer surface of each of the pistons includes a polymer surface that is closely spaced to the inner surface of the outer cylinder. The outer surface includes a pair of spaced polymer strips separated by a seal to enhance the seal between the piston and the outer cylinder. Each of the outer cylinders is mounted to the center block by a threaded connection. A control system mounted to the vacuum truck senses the pressure of water leaving the jetting water pump and controls the supply of pressurized hydraulic fluid to the jetting water pump to maintain the water pressure at an operator selected value.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]The present application is based on and claims priority to U.S. Provisional Patent Application Ser. No. 61 / 751,323, filed on Jan. 11, 2013, the disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]The present disclosure generally relates to a reciprocating water pump. More specifically, the present disclosure relates to a reciprocating jetting water pump for use in a vacuum truck used in the sewer cleaning and hydro-excavation industry and for use in a sewer jetter truck.[0003]Presently, sewer and catch basin cleaners are available that include a large suction device for removing debris from within a sewer line. As part of the sewer and catch basin cleaner, a water pump system is included on the vehicle that creates a pressurized supply of water that is used to loosen and remove debris from the interior walls of a sewer line, which is then sucked into a debris tank on the vehicle. As part of this high p...

Claims

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Application Information

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IPC IPC(8): F04B3/00F04B53/14F04B39/04F04B53/04F04B49/08
CPCF04B3/003F04B53/04F04B53/14F04B39/042F04B49/08
Inventor HETCHER, JASON DAVIDLADISH, CURTIS J.JACOBSON, MICHAEL JAMESBADER, DEVIN PURCELL
Owner SUPER PRODS
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