US1758207A - Hydraulic heat-generating system - Google Patents

Description

May 13, 1930. Q G. H. WALKER 0 HYDRAULIC HEAT GENERATING SYSTEM Filed May 26, 1928 2 Sheets-Sheet 1 @511 hshs s May 13, 1930. G. H. WALKER HYDRAULIC HEAT GENERATING SYSTEM Filed ma 26, 1928 Z Sheets-Sheet 2 an n A N-\ I:

un ts Patented May 13, eao

' iasaz r GEORGE HENRYWALKER; or vzonor srnn, ENGLAND, ASSIG1\TOB, ro Hanna & FRorma 1, LIMITED, or won-cnsrnn, ENGLAND a HYDRAULIC 'nEArenNEaATrna svsrnra Application-filed,May 26, i928, ets; N6. 280,918, and in Gas Britain as, 2a, 1927.

This invention relates to improvementsin hydraulic absorption apparatus for thefgen eration'of heat. V

hydraulic absorption apparatus," heat is genoeratedsand is impartedtto the circulating water or other liquid with which the appa+ ratus is supplied'and' it hasb'een proposed to store the resultinghot water or steam in a closed vessel, known as a heat'accumulator,

. from which" it can be withdrawn for use as required. 'It has also been proposed tocon-f nect the hydraulic apparatus or heat generator by means of piping or other passages to the heat accmn'ulator so that a "circulation ofwater between the two of the apparatus may be permitted. a

-A difliculty connected with, the practical application of such schemes lies in; the

method of regulating the consumption of power'to suit that which is available at the shaft "of the apparatus. Conditio'ns may arise in which the amountof power consumed by the hydraulic apparatus if allowed to develop full resistance to rotationwould be in; excess of the power supplied so thatthe speed of the shaft would fall, to the'detrime'nt of the efliciency of other parts of the system.

brakes or dynamometers there usually exists a vortex or vortices at the centre of which exists a low pressure and at the outer diam- V eter a high pressure and in the prior U. S.

- steam space existing in-a heat accumulator specification No. 1,035,700 toHarris'on'means are describedfor-admittingto the centre of.

the vortices -air under atmospheric pressure, which means consistedof holes or pipes communicatingbetween the external atmosphere and the parts of the hydraulic brake corresponding vortices.

According to-the present invention the is connected with the interior of the hydraulic heat generator at a point or points at or i The object of -the'present invention is to provide a simple and efficient method of reg? vortices; In hydraulic apparatus such as hydraulic mum load;

mum load.

with the centre of rotation of-the where, under running conditions, "the pres V r a sure is relatively low. In the destruction of power by means of a Such connection tothe pointior: points at Y or near the centre of the vortex 0r vortice's' may bemade by passages formed in the vanes ofthe power absorbing elements in a manner specification N 0. 1,035,700 and thesepassages are connected by a steam pipe with the steam similar to that described in the prior U. S. t I

space in the heat accumulator instead of being, connected tothe external atmosphere.

The water inlets and outlets of the hydraulic apparatus'iare both coupled up through a 7 suitable valve or. valves withthe water space of "the heat accumulator so that water can be drawn away by a circulating'p'umpor by a natural fall from one portion of the accuerence to the accompanying drawings':

.- .Fig, 1 is a'diagrammatic view of the heat generator, heat accumulator and other accessorles. f Fig. 2 is hydraulic heat generator.

I Fig, 3 isan enlarged section on line 3 3.

Fig. "2 showing the passages through the vanes of the power absorbing element con nectingthe stea'i'pipe to .the centres-of the Fig.4 is a detailsectional view of distrib 'utingvalve controlling" the flow of water to and from the heat 'generator'and the heat accumulator, thervalve being set for minii Fig. "5 is a detail. sectional view of the dis tributi-ng valve,-thevalve being set for maxi Fig. 6 is a diagrammatic view of hydraulic heat generator showing; an alternative arrangement of valve controls 7 The hydraulic heat generator A 1s similar tothat described'in specification No. 1,035,700

with arotor B mounted onthe shaft B driven from a suitable prime mover and a stator C. Passage 0 are formed in the vanes of the, stator G connecting the points correa horiaontal. section through the sponding to the centres of thevortices with the annular spaces and these annular spaces 0 are connected by the steam pipe D with the steam space 6 at the top of the heat accumulator E. An isolating or regulating valve 0? may be arranged in thesteam pipe D whereby the fiow of steam from the heat generator A to the heat accumulator E or vice versa may be shut oiif or adjusted. v

- Passages 0 are also formed in the vanes of the stator Cconnectingthe waterspaces between the vanes with the annular space 0 and this annular space c 'is connected to the water inlet passages F arranged one at either side of the generator and terminating in a single passage or conduit The water out-' let conduit G is connected to the annular space 13 surrounding the rotor B. The water inlet conduit F and-the water outlet conduit- G are connected to therwater space 6 Y of the heat accumulatorEthroug'h adistrilouting valve H controlledby an actuating rod K from a suitable governor (not shown in the drawings) so that'the flow of water into and out of the generator is .regu'latedand the power consumed in theheat generator is adjusted, Thus for example; when the -inlet valve s wide open admitting water freely I to the heat generator,and the outlet valve is motor-driven centrifugal pattern is preferably employed in the circulatingsystem so that the pressure of Water supplied to the inlet F of theheat generator A maybe raised in excess of that due to the difierence inhead f between water level in the heat accumulator E and that in the heat generator By meansof suitably arranging thevalves or the ports of the distributing'valve, the pump suction instead ofgdrawing water from'the accumulator may, upon occasion, he put, into communication with the outlet G of the heat generator and the pump discharge may be connected to the accumulator E, thus enabling the pump to extract water from the heat generator and so nearly orentirely draining it 1 and reducing the power consumed to almost nil. a I V. r

A suitable balanced distributing valve for controlling the flow of water is shown in Figs.

4 and: 5, the setting shown in Fig. 4:bein'g for the minimum load and the setting shownin 'Figfabeing for the maximumload. 'The va-lve'is formed withsix ports, the port k connected to the water inlet F of the heat generator, the port It? connected to thewater space 6 of the heat accumulator E, the port 772 connected to the suction side of the circu lating pump J, the port k connected to the I bottom of the water space of the heat accumu- Y later E.- the port connected to the water 'out-letjG from theheat generator A and the port h connected to the discharge side or the pump. JQ "The actuating rod K is formed with several pistonsla ,10 and 72 When the valve is set for the minimum load, 1

as inFigfl'tthe port it is cutofi from the port b by the piston 70 and consequently the feed from theaccumulator is choked, the port 72,

connected to the wateroutletG from-the heat generator A is in communication lwiththe v port hf connected to the suction side of the I pump ll and'the port h connected to the .discharge side ofthe pumpJ .is in communication with thepo'rt h' connected to the water space '6 of the heat accumulator E so that outlet G of thejheat generator A and deliver ing-itto the heat accumulator E. The'port 'h connected to the inlet F of the heat gener-I v a-tor A is choked by the piston 70 so that water not passing into the generatoru i When'the valve is set for the maximum load 1 the pump J is drawing water from-the water g A the actuating-rod K has moved into the posi tionshown in Fig. 5 sothat the port h? connected" to the water space e of thexheat ac-' 1 cumulator is in-communication with: the port 1 1 1 I 72, connected tothe suction side of the pump J. the port]; connected tothe outlet-Grief the heat generator H isclosed by the piston 7'0 the port connected to the heat accumulator E is'choked by the two pistons is? and side ottthe pump A is in communication with the porth fconnected to the water-inletFoi i the he at*generator'A. The p'umpJ is thus drawing waterfrom'the'accumulator'E'and "discharging'it to the water inletF of the heat generator whilst the water outlet fromthe heat generator ischokedxgf" 70 and theport 'k connected-to the discharge 5 The actuating rod K on 'which the pistons V 70 ,10 and 70 are mo'unted, is connected through link gear or any other convenient manner to the governor which maybe of the centrifugal or other pattern, arranged so that any tendency of the heat generator and prime mover toin'crease'their speed, automatically 12o the speed increases the power consumed by the heat generator, while any tendency for to fall has a contrary e'fi'ect.-

' Suitablexisolating valvesqmay be arranged inthe conduits. Thus the valves 7''. glare ar-.

rangedbetween the heat generator A and the distributing valve H, the valves j. 9' between the valve Hand the pump J the valves e 6 between the valve 'H and the'heat accumu 1 later E, the valve d in thesteam pipe D.

Instead ofl'a distributing valve H as de-.

scribed abovethe water inlet F and the water outlet G of the heat generator A may be each provided with a separate valve F G as shown in Fig. 6. These valves F andG as shown, are of the butterfly type, but any other suitable balanced type may be em ployed. They are connected together by 3 link gear M or in any other convenient man ner so that as one valve opens the other closes. The link gear M is connected to an actuating rod K connected to the governor (which is; not shown in the drawing). g V Y The steam pipe D may be enclosed within a pipe of larger diameter which outerpipe may be employed to convey the heated liquid from the casing of the heat generator Alto the accumulator E. This avoidsicondensationof the rotor, apipe connecting the centresof the vortices with the steam space in the heat accumulator, conduits. connecting the water ina let and water outletof the generator to the water space in the accumulator, 'amulti-porteddistributing valve connectedin' said conduits, a circulating pump connected to the distributing valve, a plurality of pistons by which theports are controlled, anoperating steam which, under certain conditions,.may

interfere with the effective operation of-the 7 heat generator. Alternatively the "steam pipe may be efiiciently lagged with heat in- 7 sulating material for the same purpose.

What I claim as my invention and desire to protect by Letters Patent is 1. In an hydraulic heat generating system;

comprising an hydraulic heat generato'n'a heat accumulator and conduits connectin the generator to the accumulator, a rotor an a stator forming the heat generator, water spaces in therotor andin the stator in which i 7 spaces vortices are set up during rotation of r I the rotor, a pipe connecting the centres of the vortices with the steam space in the heat ac: cumulator, conduits connecting thewater in: f

' let and water outlet of the generator to the water space in the accumulator, amulti-port-' ed distributing valve connected insaid conduits, a plurality. of pistons by which the upon which the pistons are mounted. v c

' 2. In an hydraulic heat-generating system comprising an hydraulic heat generator, a heat accumulator and conduits connecting the generator to the accumulator, a rotor and a stator forming the heat generator, water spaces in the rotor and in the stator in which spaces vortices are set up during rotation of the rotor, a pipeconnecting the centre of ports are controlled and an operating'rod in the vortices with the steam space in the heat accumulator conduits connecting the water. inlet and water outlet of the generator to the water space in the accumulator, a multi-port ed distributing valve connected in said con-' duits, a circulating pump connected to the 1 distributing valve, a plurality of pistons by.

which the ports are controlled and an operating rod upon which the pistons are.

mounted.

3. In an hydraulicheat generating system 7 comprising an hydraulic heat generator, a

' heat accumulator and conduits connecting the generator to the accumulator, a rotor and a stator forming the'heat generator, water spaces in the rotor and in the stator in which spaces vortlces are set up durlng rotation of

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