GB2241023A

GB2241023A - Hydraulic ram pump

Info

Publication number: GB2241023A
Application number: GB9003455A
Authority: GB
Inventors: Ching-Hwa Tang
Original assignee: TANG CHING HWA
Current assignee: TANG CHING HWA
Priority date: 1990-02-15
Filing date: 1990-02-15
Publication date: 1991-08-21
Also published as: GB9003455D0

Abstract

A prime mover for delivering water from a water source (1) (Fig 2), which converts potential energy of stored water into kinetic energy to force water flow to interchange with the compressed air in a pressure cylinder thus permitting the compressed air pressure to force water flow to discharge out of the pressure cylinder. Water entering a chambers is deflected by a plate 6 to surge against the piston 17 of a spring-loaded valve, opening the latter to allow water into a chamber 19 and compressing the air therein. An increasing pressure closes the valve, the air pressure then forcing water from the chamber 19 through an outlet 191. Continued operation is by reciprocation of the valve piston. <IMAGE>

Description

Title : Prime Mover The present invention relates to a prime mover and more particularly to a prime mover such to a pump for delivering water from a water source.

In remote areas such as mountain sides where a regular power supply is not available it is difficult to deliver water for irrigation purposes for example to cultivate orchards. A diesel or gasoline engine may be needed to produce electric power for driving a water pump to pump water from a river for instance for irrigation. This consumes a large quantity of fuel and so increases the cost in planting.

It is therefore an object of the invention to provide a prime mover or pump for water conveyance, which does not consume any fuel energy.

According to the present invention, there is provided a prime mover for delivering water from a water source, comprising a housing -having a water inlet to which a water inlet pipe is connectable, a feathering paddle formed in a side of the housing and a spindle assembly including a pressure-operated valve at a water outlet in an upper part of the housing between the inlet and outlets, in which water from a water source flows through the inlet pipe into the housing to impinge against the feathering paddle to form a counter water flow to push the pressureoperated valve upward permitting water to pass into a pressure chamber to inter-exchange with air within said pressure cylinder, to enable water entering the pressure cylinder to be discharged through the water outlet of the pressure cylinder for further conveyance.

The invention will now be described further by way of example with reference to the accompanying drawings in which : Figure 1 is a perspective exploded view of a water-conveyance prime mover according to the present invention; Figure 2 is a schematic drawing illustrating an installation embodying a water-conveyance prime mover according to the present invention; and Figure 3 is a sectional elevation of the prime mover of the invention illustrating the operation of power transmission.

Figure 1, illustrates a water-conveyance prime mover which consists of a housing 5 having mounted therein or connected thereto at its water inlet a washer 4, socket 3 and water inlet pipe 2. At its water outlet, on the opposite side of the housing 5 to the water inlet, a feathering paddle 6, cushion 7, cover plate 8, screw rod 9 and a rotary disk 10 are provided. A spindle 11 projects upwardly from the housing 5 at a position between the inlet and the outlet. The spindle assembly includes a spring 12 and a washer 15 mounted on the lower end of the spindle and locked up with a lock nut 16. The assembly includes also a piston 17, a nut 16, a washer 18 and a pressure cylinder 19 mounted on its upper end and fixedly secured to the housing 5 by means of a threaded plug 20. The pressure cylinder 19 includes in a side thereof a water outlet 191 to which a check valve 21 is attached.Once the device has been assembled, as shown in Figure 2, the housing 5 is installed at a position one to two metres below the water level of a water source or water reservoir 1, and the length of the water inlet pipe 2 which connects the housing 5 to the water reservoir l is properly arranged to match with the installation.

As illustrated in Figure 3, when water flows into the housing 5 from the water reservoir 1, the potential energy of the stored water is changed into kinetic energy to hit the feathering paddle 6. When water flow from the water reservoir l is stopped against the feathering paddle 6 it immediately forms a strong counter flow as the arrow indicates, and pounds against the inner upper portion of the housing 5. By means of the force created by counter water flow, the piston 17 is pushed upward. As soon as the piston 17 is pushed upward to such an extent that the bottom end of the piston 17 reaches the top edge of the flange 51, of the housing 5, as the dotted line indicates, the counter flow immediately penetrates through the bottom edge of the piston 17 into the inner space of the pressure cylinder 19 to compress the inner air.Due to the effect of the pressure P of the compressed air in the pressure cylinder 19, water which runs into the pressure cylinder 19 is prohibited from returning back into the housing 5 and forced to drain through the water outlet 191 of the pressure cylinder 19. By means of the continuous motion of water flow in striking against the feathering paddle 6 to form the counter flow to push the piston 17 upward and to penetrate into the pressure cylinder 19 so as to inter-exchange with the compressed air, automatically continuous water pumping operation is thus achieved. When the piston 17 is pushed to open by the counter water flow, compression of the spring 12 is stopped between a division plate 13 and the washer 15. By means of the spring force of the spring 12, the piston 17 is then returned to its original position to close access of the flange 51 such that the water which flows in the pressure cylinder 19 is protected from returning into the housing. Therefore, the piston 17 can be continuously driven to make reciprocating motion below the flange 51.

In general, the present invention provides a prime mover for pumping water from a river for further distribution, which prime mover does not consume any fuel energy and is very practical for use on remote mountain sides where regular water and power supply is difficult to reach.

Claims

Claims

1A prime mover for delivering water from a water source, comprising a housing having a water inlet to which a water inlet pipe is connectable, a feathering paddle formed in a side of the housing and a spindle assembly including a pressure-operated valve at a water outlet in an upper part of the housing between the inlet and outlets, in which water from a water source flows through the inlet pipe into the housing to impinge against the feathering paddle to form a counter water flow to push the pressure-operated valve upward permitting water to pass into a pressure chamber to inter-exchange with air within said pressure cylinder, to enable water entering the pressure cylinder to be discharged through the water outlet of the pressure cylinder for further conveyance.
2 A prime mover for delivering water from a water source substantially as herein described with reference to and as illustrated in the accompanying drawings.