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09/21/06 - USPTO Class 137 |  36 views | #20060207659 | Prev - Next | About this Page  137 rss/xml feed  monitor keywords

Pump system including host and satellite pumps and method of the same

USPTO Application #: 20060207659
Title: Pump system including host and satellite pumps and method of the same
Abstract: A pump system that includes one or more satellite supply pumps to feed a main pump. The pump system enables a large flow volume of water to be delivered over long distances. The system is self contained in a transportable container. The supply pumps enable water may be drawn from a number of sources. The pump system can be provided with or without a main boost pump. The system can include one, two, or more satellite pumps. The pump system can include a first engine to drive the main boost pump and a second engine to drive the satellite pumps. (end of abstract)



Agent: Merchant & Gould PC - Minneapolis, MN, US
Inventors: Henry Shaefer, Bill Drake, Frederick Paldan, Ashley Arthur Price, John Vo
USPTO Applicaton #: 20060207659 - Class: 137355200 (USPTO)

Pump system including host and satellite pumps and method of the same description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20060207659, Pump system including host and satellite pumps and method of the same.

Brief Patent Description - Full Patent Description - Patent Application Claims
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RELATED APPLICATION

[0001] The present application claims the benefit of U.S. Patent Provisional Application Serial No. 60/586,522, filed on Jul. 7, 2004 and entitled "Pump System Including Host and Satellite Pumps and Method of the Same," the entirety of which is hereby incorporated by reference.

TECHNICAL FIELD

[0002] Embodiments of the present invention relate to pump systems that enable flow of a large volume of water. More particularly, embodiments of the present invention relate to pump systems using a main host pump that is fed by one or more submersible mobile supply pumps.

BACKGROUND

[0003] There are many uses for a pump system that delivers a large volume and flow rate of water, including municipal and industrial fire fighting, potable water delivery, emergency response and/or other disaster relief needs. Such instances may require large volumes of water at a large flow rate, such as 5000 gallons per minute (GPM) or greater. Typical water sources include lakes, rivers, and bays. A water source, however, may not be conveniently located or accessible relative to the area that needs the water. For example, it is not uncommon that an area of need is far away (e.g., miles) from the nearest water source. Thus, a pump system designed to extract water from long distances and flow large volumes of water over long distances is desirable.

[0004] Many current devices employ typical suction/discharge supply pumps, such as a fire pump apparatus. Such devices, however, exhibit shortcomings of limited suction lift and distances that they can be use from an available water source. Still further, such devices are limited in their vertical lift capability, or the ability to pull water from a source that is lower than the device. Most current design can only draft water into their pumps from water sources that are less than 10-12 feet below their suctions. While such devices might be suitable for their purposes, these shortcomings illustrate there still is a need for an improved pump system that can deliver a large flow of water over a long distance, and that may have improved vertical lift for accessing a lower water source.

SUMMARY

[0005] Embodiments of the present invention relate to pump systems that enable flow of a large volume of water. More particularly, embodiments of the present invention relate to pump systems using a main host pump that is fed by one or more submersible mobile supply pumps.

[0006] In one embodiment, a pump system includes a main pump, submersible satellite supply pumps, a control system, and diesel drivers. Preferably, the pump system incorporates a 5000 GPM or greater diesel driven main pump. The main pump is fed by two mobile hydraulically driven floating/submersible supply pumps. The supply pumps can include driven by a separate engine. The pump system is self-contained within an inter-modal style container.

[0007] In one embodiment, the pump system may be configured with a hose reel module that includes large hose deployment and storage equipment.

[0008] In one embodiment, pump system may be configured with an additive agent (e.g., foam) or decontamination module, which includes additive agent storage and deployment tanks.

[0009] In another embodiment, the pump system may be configured with a booster pump module. Preferably, the pump system includes a 5000 GPM or greater pump without submersible pumps for use when only in-line boosting is necessary.

[0010] In another embodiment, the pump system may be provided with a water distribution module. Preferably, the pump system includes fittings and manifolds necessary to set up a large flow system using 12-inch hose.

[0011] In one embodiment, embodiments of the present invention provide a transportation system module. Preferably, the pump system may be transported using a deployment vehicle such as a roll-on truck and/or hook-lift style trucks and trailers.

[0012] One embodiment can include a water discharge system module. Preferably, the pump system can include large flow water monitors as both fixed and trailer mounted styles.

[0013] In one embodiment, the pump system can include a submersible remote pumping supply system with or without a host boost pump. Such a system can supply water to an independent boost pump using one or more submersible remote pumps.

[0014] In one embodiment, a system includes a main pump, and a first engine to drive the main pump. The system also includes a satellite pump coupled to the main pump by a hose, the satellite pump being configured to be deployed into a source of water, and a second engine to drive the satellite pump, wherein the satellite pump delivers water from the source of water to the main pump.

[0015] In one embodiment, a pump system includes a main pump, and a first hydraulic engine to drive the main pump. The system includes a first satellite pump coupled to the main pump by a first hose, the first satellite pump being configured to be deployed into a source of water, a second satellite pump coupled to the main pump by a second hose, the second satellite pump being configured to be deployed into the source of water, and a second hydraulic engine to drive the first and second satellite pumps. The first and second satellite pumps are configured to deliver water from the source of water to the main pump, and the second engine drives the first and second satellite pumps to prime the main pump.

[0016] In one embodiment, a pump system includes a main pump, and a first hydraulic engine to drive the main pump. The system includes a first satellite pump coupled to the main pump by a first hose, the first satellite pump being configured to be deployed into a source of water, a second satellite pump coupled to the main pump by a second hose, the second satellite pump being configured to be deployed into the source of water, a second hydraulic engine to drive the first and second satellite pumps, and a hydraulic control system configured to sense water inlet pressure at the main pump and to control output of the first and second satellite pumps. A powered deployment and retrieval system is configured to deploy the first and second satellite pumps into the source of water and to retrieve the first and second satellite pumps from the source of water, the first and second satellite pumps are configured to deliver water from the source of water to the main pump, and the second engine drives the first and second satellite pumps to prime the main pump. The hydraulic control system is configured to control the output of the satellite pump to create a positive water pressure at the main pump.

[0017] Use of the satellite supply pumps to feed the host pump can exhibit one or more of the following benefits. Generally, the pump system allows the flexibility of not having to be close to water sources. An operator can draw water to the main pump up to 200 feet and 15 times farther away than could normally be accomplished with a standard suction hose supply setup. The satellite supply pumps increase the vertical lift capability up to 50 feet and up to 5 times greater than normal draft capabilities of a typical fire apparatus.

[0018] Embodiments of the present invention may enable an increase in the number and type of water supply reservoirs or sources that can be tapped at one time to provide water for pumping. The host pump can be placed farther away from the water source and still provide large flow capability without significant degradation in hydraulic efficiency and output.

[0019] A plurality of host pumps can be set up in series for increased pumping distances. Embodiments of the present invention can utilize a large diameter fire fighting attack hose that may be suitable for potable water use.

[0020] The host pump unit can also incorporate a self-contained hydraulic flow and pressure control system that prevents the system from losing control, damaging itself or losing flow capability. Embodiments of the present invention can include a dual engine system, one engine for the host pump and another engine for the satellite supply pumps. This configuration can help ensure that the host pump does not operate in a dry condition. This configuration also allows for flexibility in the use of the system. Embodiments of the present invention can provide manual and automatic control of a hydrostatic drive system for the submersible supply pumps, allowing for increased system flexibility.

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