US300626A - Oscillating metee - Google Patents
Oscillating metee Download PDFInfo
- Publication number
- US300626A US300626A US300626DA US300626A US 300626 A US300626 A US 300626A US 300626D A US300626D A US 300626DA US 300626 A US300626 A US 300626A
- Authority
- US
- United States
- Prior art keywords
- piston
- case
- interior
- abutment
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000007599 discharging Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 206010040003 Sensation of pressure Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
- G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
- G01F3/04—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls
- G01F3/06—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing
- G01F3/08—Rotary-piston or ring-piston meters
Definitions
- Fig. operation of the meter, to effect accuracy of 6 is a section of the piston, and Fig. 7 a modimeasurement of the water, and to produce a fication of my invention.
- the cylinder or case A has at one side an trically moving piston operates without a extension or chamberdivided by a partition, dead-center, and thus obtain the advantage of and forming the inlet and outlet passages I a uniform movement without using a transand O, which connect by passages on the outverse divided piston.
- side of the cylinder with the inlet andoutlet I 25 In another application, Serial N 0. 114,916, ports I I and O O in the cylinder-heads.
- a shaft, H having ecthrough and forming a joint within the piston centric bearings or journals a a in a hub on in every position of the latter, while said piseach head, one of the heads being made mov- 5 ton forms a joint with the case, and suitable able.
- the eccentrioally-movmeans for registering the movements of the ing piston B is supported so as to turn freely piston; and I do not claim herein, broadly, thereon and be controlled in its eccentric such. a thing, nor any combination of devices movements.
- the piston is proor matter shown and described in my said apvided with a slot, f f, extending longitudi- 0 plication. nally across its entire face, passing over the
- abutment A and with its sides forming a consist in a novel means for controlling the joint or bearing on the abutment.
- the exteeccentrio movements of the piston, in connecrior surface of the piston bears against the tion with a case-dividing abutment, dividing interior surface of the cylinder, as shown at 5 also the interior of the piston, and in such (I and d in Figs.
- a pin provided with a pinion, b, which meshes with a gear-wheel, a, on the shaft (2 that is journaled in the head G with one end, while the other end passes through a stuffing-box on the auxiliary head or plate I).
- a gear-wheel On the outer end of shaft d is secured a gear-wheel, which meshes with suitable gearing of a registering apparatus, by which the number of revolutions of the piston are indicated.
- the eccentric shaft H is placed in the center of the case, and'the piston is mounted upon it by a sleeve formed upon the end of a radial arm or web, F, joining the interior wall of the piston, so that the outer surface of the sleeve practically forms a part of the interior wall of the open piston.
- the shaft is mounted so as to turn loosely in its eccentric bearings, and the piston is mounted upon the shaft so as to be controlled by it in its eccentric movements about the case.
- Fig. 7 the piston is shown as mounted upon its eccentric shaft out of the center of the case, and the shaft has its bearing in the body of the piston. This arrangement causes the center of the piston to describe an elliptical path around the center of the case; but the dividing function of the piston is the same as if it described a circle around said center.
- the abutment is shown as terminating in a' cylindrical bearing, and the piston has an internal conformation adapted to make a joint upon the abutment in certain positions of the piston, as before stated.
- the sleeve of the web F of the piston forms a joint with the enlarged end of the abutment A, and divides the interior of the piston into receiving and discharging spaces 1 and O.
- the outlet-ports O 0 open communication with the interior discharging-space, O, of the piston, and the inletports I I are just on the point of opening communication with the interior receivingspace, 1 of the piston.
- the piston passes to the position shown in Fig.4, during which the water enters the piston,- space I through the ports I I, forcing the piston on its return movement, the water in the meantime discharging from the pistonspace 0
- the joint is formed intermittently by the sleevebearing of the piston bearing against the interior side of the semicircular part of the abutment, while the sides ff of the slot will bear on the sides of the central radial part of the abutment, and thus divide the interior of the piston,while in this position, into receiving and discharging spaces communicating with the inlet and outlet ports, so that during the momentary cessation of the press ure upon the outer surface of the piston by the closing of the inlet and outlet ports the motionof. the piston is. continued by the interior pressure.
- Fig. 7 the piston is shown of oval form; but whatever its form it must be adapted to make the dividing-joint with the case, and the latter must be of such form as to co-operate with the piston in forming the joint.
- I have shown the inlet and outlet ports as communicating with the cylinder-chamber by the passages X X in its wall on the opposite sides of the abutment, for the purpose of increasing the capacity of the inlet and outlet ports, such passages extending from the top to the bottom of the case.
- the mounting of the piston upon an eccentric shaft adapts the machine to be used either as a pumping-engine by applying power to the eccentric shaft or as a motor by transmitting the power from the pistOnshaft, the function of the piston to drive the eccentric shaft being the same asthe action of a crankshaft.
- I claim 1 The combination of a case or cylinder having a radial abutment extending within the piston from head to head of said case, and suitable inlet and outlet ports, with an eccentrically-moving piston open from end to end, having a longitudinal slot in its side, and an eccentric shaft having bearings in the cylinder head or heads and in the piston, whereby the action of the eccentric shaft adapts the piston to constantly maintain aydividing-joint with the case, and to intermittently maintain a dividing-joint with the interior of the piston, substantially as described.
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Hydraulic Motors (AREA)
Description
s Sheets-Sheet 1..
(No Model.)
L. H. NASH.
OSGILLATING METER.
Pat en ted June 17, 18 84,.
\& M V/ IlllllllllllllllllllllIIIIIIIHIIN y I L.P{;NASH.. OSGILLATING METER.
3 Sheets-Sheet 2.
- (No Model.)
Pat entedJune 17, 1884.,
u ruins mwuuwfinm. Washimnn. ac
3 Sheets-Sheet 3.
(No Model.)
,L.H. NASH.
OSGILLATING METER. y
i V .A z y J x .ww 0 WW 0 ll 00 m Patented June 1'7, 1884..
UNITED STATES PATENT FFICE. I
LEIVIS HALLOOK NASH, OF BROOKLYN, ASSIGNOR TO THE NATIONAL METER COMPANY, NEW YORK, N. Y.
OSCILL ATlNG M ETER.
SPECIFICATION forming part of Letters Patent No. 300,626, dated June 17,1884.
\ Application filed December 18, 1883. (No model.)
T at whom it may concerrb: with the inlet and outlet ports of the case, so Be it known that I, LEWIS HALLOOK NASH, that the water shall act upon the inner side a citizen of the United States, residing at of the piston to drive it when the external Brooklyn, in the county of Kings and State of pressure has ceased to act by reason of the New York, have invented new and useful Impiston having momentarily covered the inlet provcments in Rotary Water-Meters, of which and outlet ports opening into the case outside the following is a specification. of the piston. Steamfengines have been constructed upon My improvement also consists of matters of the plan of an eccentricallymoving piston constructlon and of combinations, which will 10 adapted to rock upon a radial abutment withbe made the subject of specific claims. in an inclosing-case, to divide said case into Referring to the accompanying drawings, receiving and discharging spaces, the center Figure 1 represents a vertical section on the of the piston describing a circle around the line 3 y of Fig. 2; Fig. 2, ahorizontal section center of the case. A piston adapted to have on the line x w of Fig. 1. Figs. 3 and 4 are I 5 such a motion I use in my improved watersimilar sections showing different positions of meter; and the objects of my improvement are the piston; Fig. 5, a section through the ports to simplify the construction and perfect the and passages on the line 2 z of Fig. 3. Fig. operation of the meter, to effect accuracy of 6 is a section of the piston, and Fig. 7 a modimeasurement of the water, and to produce a fication of my invention.
20 meter, pump, or motor in which the eccen- The cylinder or case A has at one side an trically moving piston operates without a extension or chamberdivided by a partition, dead-center, and thus obtain the advantage of and forming the inlet and outlet passages I a uniform movement without using a transand O, which connect by passages on the outverse divided piston. side of the cylinder with the inlet andoutlet I 25 In another application, Serial N 0. 114,916, ports I I and O O in the cylinder-heads.
for a patent for a water-meter, filed by me of The partition or abutment A extends from even date herewith, I have described and one head of the cylinder to the other radially claimed an eccentrically-moving piston open' vinto the interior of the piston, wherein it terfrom end to end, having a longitudinal side minates in an enlargement of semicircular or 30 slot, an inolosing-case having a radial abutother form suitable for maintaining a joint 8 ment extending from head to head of the cylupon the inner wall of the piston. Within inder, having an enlarged end extending said cylinder is placed a shaft, H, having ecthrough and forming a joint within the piston centric bearings or journals a a in a hub on in every position of the latter, while said piseach head, one of the heads being made mov- 5 ton forms a joint with the case, and suitable able. Upon this shaft the eccentrioally-movmeans for registering the movements of the ing piston B is supported so as to turn freely piston; and I do not claim herein, broadly, thereon and be controlled in its eccentric such. a thing, nor any combination of devices movements. At one side the piston is proor matter shown and described in my said apvided with a slot, f f, extending longitudi- 0 plication. nally across its entire face, passing over the The specific matters of improvement herein abutment A, and with its sides forming a consist in a novel means for controlling the joint or bearing on the abutment. The exteeccentrio movements of the piston, in connecrior surface of the piston bears against the tion with a case-dividing abutment, dividing interior surface of the cylinder, as shown at 5 also the interior of the piston, and in such (I and d in Figs. 2 and 3; hence the pressure a construction and relation of the piston and of the inflowing water will tend to move the the abutment that the joint is intermittently piston in the direction of the arrow. The informed bythe abutmentwithin the interior of terior wall of the piston forms a joint with the piston at such positions in its movements the enlarged end of the abutment during a 50 as will bring its interior in communication portion of the movement of the piston, and
divides its interior into receiving and discharging spaces, (shown in Figs. 2 and 4,) when the water will enter the interior of the piston and force it in the same direction of the arrow in this figure as in Fig. 2. The water on the other side of the abutment will of course be forced out of the discharge-ports '0 O and passage 0 as they are opened. The inlet and outlet ports are both double.
In one end of the shaft His secured a pin provided with a pinion, b, which meshes with a gear-wheel, a, on the shaft (2 that is journaled in the head G with one end, while the other end passes through a stuffing-box on the auxiliary head or plate I). On the outer end of shaft d is secured a gear-wheel, which meshes with suitable gearing of a registering apparatus, by which the number of revolutions of the piston are indicated.
In Figs. 1, 2, 3, and 4 the eccentric shaft H is placed in the center of the case, and'the piston is mounted upon it by a sleeve formed upon the end of a radial arm or web, F, joining the interior wall of the piston, so that the outer surface of the sleeve practically forms a part of the interior wall of the open piston. The shaft is mounted so as to turn loosely in its eccentric bearings, and the piston is mounted upon the shaft so as to be controlled by it in its eccentric movements about the case.
In Fig. 7 the piston is shown as mounted upon its eccentric shaft out of the center of the case, and the shaft has its bearing in the body of the piston. This arrangement causes the center of the piston to describe an elliptical path around the center of the case; but the dividing function of the piston is the same as if it described a circle around said center.
The abutment is shown as terminating in a' cylindrical bearing, and the piston has an internal conformation adapted to make a joint upon the abutment in certain positions of the piston, as before stated.
The operation is as follows: The piston being in position shown in Fig. 3, water enters through the inlet-passage I, passes to both ends of the cylinder, and thence through ports I I, and presses against the exterior surface of the piston, which will then move in the direction of the arrow and allow the escape of the water through the ports 0 O to the passage O. It will be observed that the piston constantly forms a joint with its exterior surface against the interior surface of the cylinder, and with the sides ff of the slot against the sides of the abutment. When the piston has reached the position shown in Fig. 2, the sleeve of the web F of the piston forms a joint with the enlarged end of the abutment A, and divides the interior of the piston into receiving and discharging spaces 1 and O. In this position of the piston the outlet-ports O 0 open communication with the interior discharging-space, O, of the piston, and the inletports I I are just on the point of opening communication with the interior receivingspace, 1 of the piston. From this position the piston passes to the position shown in Fig.4, during which the water enters the piston,- space I through the ports I I, forcing the piston on its return movement, the water in the meantime discharging from the pistonspace 0 In the construction shown in this figure the joint is formed intermittently by the sleevebearing of the piston bearing against the interior side of the semicircular part of the abutment, while the sides ff of the slot will bear on the sides of the central radial part of the abutment, and thus divide the interior of the piston,while in this position, into receiving and discharging spaces communicating with the inlet and outlet ports, so that during the momentary cessation of the press ure upon the outer surface of the piston by the closing of the inlet and outlet ports the motionof. the piston is. continued by the interior pressure.
In Fig. 7 the piston is shown of oval form; but whatever its form it must be adapted to make the dividing-joint with the case, and the latter must be of such form as to co-operate with the piston in forming the joint. In this modification I have shown the inlet and outlet ports as communicating with the cylinder-chamber by the passages X X in its wall on the opposite sides of the abutment, for the purpose of increasing the capacity of the inlet and outlet ports, such passages extending from the top to the bottom of the case.
The mounting of the piston upon an eccentric shaft adapts the machine to be used either as a pumping-engine by applying power to the eccentric shaft or as a motor by transmitting the power from the pistOnshaft, the function of the piston to drive the eccentric shaft being the same asthe action of a crankshaft.
I claim 1. The combination of a case or cylinder having a radial abutment extending within the piston from head to head of said case, and suitable inlet and outlet ports, with an eccentrically-moving piston open from end to end, having a longitudinal slot in its side, and an eccentric shaft having bearings in the cylinder head or heads and in the piston, whereby the action of the eccentric shaft adapts the piston to constantly maintain aydividing-joint with the case, and to intermittently maintain a dividing-joint with the interior of the piston, substantially as described.
2. The combination, in a water-meter, of a case or cylinder having a radial abutment extending within the piston from head to head of said case, and suitable inlet and pntlet ports, with an eccentrically-moving piston open from end to end, having longitudinal side slot, an eccentric shaft having bearings in the cylinder head or heads and in the piston, and suitable means connecting said eccentric shaft with the registering mechanism by intermediate speedreducing gearing, substantially as described/ 3. The combination of a case or cylinder having a radial abutment extending within I having a longitudinal side slot, and means,
the piston from head to head of said case, and suitable inlet and outlet ports, with an eccentrically-moving piston open from end to end, having alongitudinal side slot and an interior radial arm or web terminating in a central sleeve-bearing, and an eccentric shaft having a bearing within said sleeve and within the heads of the case, substantially as described, for the purpose specified.
4:. The combination of a case or cylinder having a radial abutment extending within the piston from head to head of said case, and suitable inlet and outlet ports, with an eccentrically-moving piston open from end to end,
substantially such as herein described, whereby the dividing-joint of the case is maintained in all positions of the piston, and maintained within the interior of the piston during a portion only of the period of its motion, substantially asherein described, for the purpose specified.
In testimony whereof I have hereunto set my hand in the presence of two subscribing wit- 25 nesses.
LEWIS HALLOOK NASH. Witnesses:
A. E; H. J OHNSON, J. W. HAMILTON JOHNSON.
Publications (1)
Publication Number | Publication Date |
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US300626A true US300626A (en) | 1884-06-17 |
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US300626D Expired - Lifetime US300626A (en) | Oscillating metee |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5359892A (en) * | 1993-07-26 | 1994-11-01 | Felt Thomas W | Flowmeter measuring chamber |
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0
- US US300626D patent/US300626A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5359892A (en) * | 1993-07-26 | 1994-11-01 | Felt Thomas W | Flowmeter measuring chamber |
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