US908738A - Pump, circulator, and like appliance. - Google Patents

Description

J. BRUNDRIT.

PUMP, GIROULATOR, AND LIKE APPLIANCE. APPLICATION FILED ooT,17, 1907.

908,738. Patented Jan. 5, 1909.

2 SHEETS-SHEET 1.

J. BRUNDRIT. PUMP, o'moULAToR, AND LIKE APPLIANCE.

APPLICATION FILED O0T.17, 1907.

908,738.v v Patented Jan.5, 1909.

2 sums- 21mm z.

c! A o O 30 H o a? JOSEPH BRUNDRIT, or LlV ERPOOL, ENGLAND.

rum, crnoULA'ron, AND LIKE APPLIANCE.

Specification of Letters Patent.

Patented Jan. 5, 1909;

. Application filed October 17, 1907. Serial No. 397,902.

" To dll whom it may concern: Be it known that I, Josnrn BRUNDRIT, a

"jsubject of the King of Great Britain and Ireland,r,esiding at 6 Oriel-Chambers, in the city of LiverpooL'Enland, have invented certain new and use 1 Improvements in Poms, Circulators, and Like Appliances, of

' Whic the following is a specification.

v ,Thisfinvention relates to arran emento where y Water or other liquid is pumped or Cpumps, circulazipphances an com uses the tors and like parts hereinafter elevated by the expansive'action set up by heat, in conjunction with the exhausting 'eifect produced in a closed vessel by the momentum of an out-running stream.

Referring to the accom anying sheet of explanatory drawings igures 1 and 2 SliOW'lH sectional front elevation and sectional side. elevation respectively a marine boiler of the Scotch or return flue type having a pump or circulator constructed ac cordin to my, invention a plied thereto.

Fig. 3 1s a detail view of the circulator drawn to a larger scale than Figs. 1 and Fig. 4 a plan view of the mouth of the suction tube," to be hereinafter referred to.

The same reference letters in the different views indicate the same parts.

pulsating chamber.

. supported by hangers b, b from the stays c, c

In the form illustrated, my device is arranged for circulating the water in a boiler so as to prevent itremaining stagnant at the bottom of the boiler. The device is fitted entirely Within the boiler, being quite inde- 35 pendent of externalfittings or of an external operatin medium. It'consists of a tubular receptac e a, forming what may be termed a The said chamber is and is connected y a tube or pipe d, which may be termed the suction pipe, with the lower or cold part of the boiler waterspace;

it is provided also with what may be termed a discharge pipe e, terminating in the steam spaceof the boiler, or well above the water level. The upper end of the suction pipe (Z,

- as shown in t e illustrations, projects within the pulsating chamber a, but terminates below the to of the same and below the normal water level of the boiler; the lower end of the discharge, pipe e terminates a little above the bottomof the said chamber a. Or, instead of actually entering the pulsating chamber, the respective pipes, the suctionpipe at and the discharge pipe e maybe connected to the exterior of the cliamber a.

escribed,

and so rapidly cool the vapor contained therein. Around such conical end of the suction pipe (1, I form a casing f, open at the. bottom and also at the top (as shown in- Fig. 4), and I cause the lower end of the dischar e pipe e to enter such casing, so that shou' d any vapor-be drawn down the vpi e e during the working of the circulator, it will be cooled by contact with the relatively cool pipe d.

The hangers b, b beforereferred to are connected to lugs 9,9 and h, it formed on or secured to the chamber a; the lugs 72/ are preferably cast in one with the base piece i of the chamber.

I may provide the chamber a with a blowoff cock connected with the outside of the boiler or steam generator for the pur ose of removing any sediment which may co lect in such chamber.

The action of the apparatus is as follows On filling the boiler, the water rises in the suction pipe d at the same rate as in the boiler, until it reaches the top of the said pipe when it overflows into the pulsating chamber a. As the. discharge pipe e is connected a little above the bottom of such chamber a, air can escape therefrom until the Water has risen sufiiciently to seal the pipe opening. The air in the chamber a is now compressed. When the pulsating chamber becomes heated, the air expands and drives the water out of the chamber through the discharge pipe e un til the pressure inside the chamber a is less than the pressure in the boiler plus head of water due to the height between the bottom of the discharge pipe and the water level in the boiler. Water now rushes up the suction pipe (Z into the chamber and bgl' cooling the vapor within the chamber pr duces a vacuum or further reduction of pressure therein, causing an additional inflow of water 7 up the suction pipe (1. A certain amount of air leaves the pulsating chamber at each pulsation and it is all ejected after a few pulsations. But, as the water becomes hotter, in-

stead of working with compressed air, steam or vapor is generated in the chamber a and serves to maintain the pulsating action. An alternate filling and discharge of the chamber a in an automatic manner is thus provided for; such alternations will recur in a rapid pulsating manner and sufiiciefit to' set up a thorough circulation in the boiler. Such pulsating pumping action continues until the water is at a uniform temperature throughout the boiler. I

The fact that the pressure in the chamber a falls below the pressure in the boiler plus head of water as aforesaid can be descrlbed as due to the momentum of the outflow producing what may be termed an over-running effect, and setting up an exhausting or ejector action in the chamber a.

I may arrange my device when used as a boiler circulator in any convenient place, either within the boiler or on its exterior. For example, it may be fitted with the pulsating chamber a in the smoke box of a marine or other boiler, provided that the pulsatingchamber can be subjected to a sufficient temperature to produce the action before described. Ihe pulsating chamber may be fitted with cross tubes or it may itself consist of a nest of tubes.

My device can be made and arranged in many forms, and may be used as a pump, or as a circulator in connection with the cooling systems of internal combustion engines and the like, the only requisite being that the chamber a can be subjected to a sufficient temperature to produce the action before described.

Having now described my invention what I claim as new and. desire .to secure by Letters Patent is 1.. In apparatus for the circulation of water or other liquid, the combination consisting of a, closed chamber, suction and discharge pi as external to the said chamber both of which are connected at one end with the lower part of the chamber, while the other end o the suction pipe opens below the l in the lower or col chamber and into the lidiuid to be circulated and the otherend of the ischarge pipe opens above the chamber, and meansfor heating the chamber, as set forth. g

2. In apparatus for the circulation of water or other 1i uid', a liquid containing heated receptacle, a c osed chamber immersed in the liquid in the said rece tacle, and suction and discharge pi es botho which are connected at one end wit the lower art of the said chamber, while the other emf of the suction pi e is open to the liquid near to the bottom 0 the receptacle and the other end of the discharge pipe to the upper portion of the receptacle, as set forth.

3. In combination, a boiler, a closed chamber immersed in the water in said boiler, and suction and discharge pipes both of which are connected at .one end with the lower part of said chamber-while the other end of the suction ipe is open, to the water d part-of the boiler water space and the other end of the discharge piple to the steam space of the boiler, as set fort 4. In combination,a boiler, a closed chamber immersed in the water insaid boiler, a suction pi e projecting into the lower part of the said 0 iamber and extending to the lower or cold part of the boiler water space, a conical nozzle on the end of the said suction pipe within the chamber, an open endedcasing surrounding the said nozzle, and a discharge pipe entering the said casing to the steam space of the boiler, as set forth. In testimony whereof, I affix my signature in presence of two witnesses.

' JOSEPH BRUNDRIT.

Witnesses: VIVIAN ARTHUR Huenns, CHARLES CONRAD,

and extending

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