US1320845A - dayton - Google Patents

Description

F. L. AND F. E.l DAYTON. AND C. H. EDWARDS.

UISPENSING AND MEASURING PUMP.

APPLICATION FILED AUG.23, 1915.

\ fluid from the storage receptacle to the place UNITED l sTATEs PATENT orrion.

FRANK L. DAYTON, FRANK E. DAYTON, AND CURTIS H. EDWARDS, 0F LOS ANGELES, CALIFORNIA, ASSIGNOIRS TO SAID FRANK L. DAYTON AND WILLIS J. BOYIIE, OF LOS ANGELES, CALIFORNIA."

' DISPENSING AND MEASURING PUMP.

To all whom it may concern.'

Be it known that we, FRANK L. DAYTON, FRANK E. DAYTON, and CURTIS H. EDWARDS, all citizens of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have jointly invented new and useful Improvements in lDispensing and Measuring Pumps, of which the following is a s ecification.

This invention re ates to dispensing and measuring pumpssuch as are usually employed for vending gasolene, oil or other iuids from aI suitable storage receptacle in such measured quantities as may be required by the customer, a particular eXtensive use for such pumps being the vending of fuel and other oils to motor car operators, although they are useful as well for many other purposes-; pumps of this general nature are usually manually operated, a crank or other operating means being 'employed to work the. plunger or piston. to cause the same t'o lift and force the liquid being dispensed to its place of deposit, as for instance, to the tank of an automobile, and in pumps of the plunger type a reverse movement of the crank or other` operating means is necessary to return the plunger after each lifting or working stroke of the same, ya definite quan- Vtity of liquid being transferred from the storage tank to its place of deposit at each suc'h working stroke.

In accordance with the present invention, a plunger operated by pneumatic or other pressure is caused to lift, transfer or convey the of deposit, a definite quantity being trans- -ferredat each working stroke, the pressure medium being controlled through manually operated means` such control permitting the plunger to execute a partial stroke, full stroke, or a plurality of strokes, thus permitting thetransfer of any desired quantity of liquid commensurate with the supply, and all without exertion on the part of the operator. The plunger is operated on its return stroke, as well as on its working stroke, by the pressure medium, through suitable mechanism and is always, .at any point in its travel, subject to manual control through4 the control of the pressure medium applied;

furthermore` the invention provides record- I ing means whereby the operator may at any time determine the quantity of fluid that has ySpecication of Letters Patent.

Patented Nov. e., 1.919.

Application filed August 23, 1915. Serial No. 46,913.

the uid during its transfer, that is, as to the quantity transferred by a fractional portion of the workingv stroke, that the operator may cut oil' the pressure medium and thereby suspend or canse the cessation of the operation of the pump when the desired quantity of fluid has been transferred.

With the above and other objects in view, the invention consists in the novel and useful provision, construction, formation, combination, association and interrelation of parts, members and features, all as hereinafter described, shown in the drawing and finally pointed out in claims.

In the drawing:

Figure 1 is a central vertical sectional View of a dispensing and measuring pump organized in accordance with the invention, parts being shown in elevation for clearness of illustration;

Fig.` 2 is a fragmentary front elevation of the'same;

F ig.. 3 is a fragmentary plan View of the same;

Fig. 4 is an enlarged central vertical sectional view of pressure medium regulating means shown in Fig. 2.

Fig. 5 is an enlarged vertical sectional view through the manually operated pressure medium controlling means shown in Fig. 2.

Fig. 6 is an enlarged fragmentary"7 sectional detail view of the means for operating the registering device; and,

Fig. 7 is an enlarged fragmentary front elevation .of the indicating means.

Corresponding parts in all the figures are designated by the same reference characters. A `Referring with particularity to the drawing. in the embodiment of the invention shown therein,A designates a pump cylinder. B designates al pum-p piston, C designates operating means for the pump piston B, D designates con-'trolling` means for the operating means, E designates registering means, F designates indicating means and G designates pump stroke adjusting means.

The pump cylinder A preferably comprises a tulbular portion 8, one end of which is seated as at 8a in a cylinder head 9, and the other end of which is seated as at 8b in a cylinder head 10. suitable bolts 11 passing through lugs 9a and 10 :formed on a base member b on which the cylinder head 9 is seated, and the cylinder head 10, respectively, serving to hold the cylinder A and its heads in assemblage. The cylinder head 9 is provided with a hollow overhanging extension 9b in which is provided a check valve 12 adapted to seat on a removablebushing 13 held to the extension 9h by means of a collar 14 threaded onto the downwardly extending terminus of the extension 9 as at 15, a reducing bushing 16 being interposed between the collar 14 and the bushing 13 to :form a suitable connecting means for a liquid supply pipe 17 which may lead to any suitable source of liquid supply, as for instance, an under-ground storage tank or the. like, not shown. The cylinder head 10 is rovided with acentrally disposed stuffing I ox 10b and a' discharge ipe 10c which may be threaded into a suita le orifice in the cylinder head at any desired point, and lead to the lace of deposit of the liquid pumped.

T e pump piston B preferably comprises a piston head 18 and a check valve 19 disposed over an orifice 2O provided preferablyv centrally in the piston head 1'8. The check valve seats on the piston head as at 21 and may be guided in its play by a spider 22 which may be integral with the piston head 18. A piston rod 23 is secured in the spider 22 and extends through the stuffing box 10b in the cylinder head 10 to the operating means C. A

'The operating means C preferably comprises a cylinder c and a piston e therein, such piston e being secured to the end 23a of the piston rod 23. The cylinder c prefera'bly comprises a Itubular member 24 having one end fitted intov a cylinder head 25, as 'at 24a, and its other end fitted into a cylinder head 26, as at 24", such cylinder heads 25 and 26 being united by meansof tubular rods 27 and 28 disposed at diametiically opposite points externally of the tubular member 24, and passing through project-ing bosses 25a and 26El provided on the cylinder heads 25 and 26, respectively. These tubular rods 27 and 28 further pass through suitable apertures 27n and 28, respectively, pro- -vided in a flange 29l provided at one end of a spacing member 29, where they vare se- .cured by means of nuts 27b and 28b respectively. The other end ofthe spacing member 29 is provided with inwardly projecting flanges 291" through which are passed studs or bolts 29 which secure the member to the cylinder head 10 of the pump cylinder A. A cross-head 30 is provided on the piston rod 23l and accommodated within the spacing member 29,. such cross-head carrying at its one end 30a a registering operating rod 31 and at its other end 30h. a .rod 32 com' prised within theindicating means F. The rod 31 extends into the tubular rod 28, and the rod 32 extends into the tubular rod 27.

Pressure medium is supplied to the cylinder c to operate the piston e therein through a supply pipe 33 which may 'lead from any suitable -source of pressure supply. The ipe 33 leads to the cont-rolling means D, a ranch pipe 34 leading from such control means to the cylinder head. 26 so as to supply pressure medium to the cylinder at one side of the piston e, and a branch pipe 35 leads from the controlling means D to the cylinder head 25 so as to supply pressure medium to the other side of the piston e, silbject to regulation aiid control, as will be presently described The controlling means D preferably comprises a four-wa)7 cock 36, the lug or key 36*l of which is preferably provided with a manipulatinghandle 37. The pipe 33 leadin g from the pressure -supply terminates at a port 38 of the controlling means, the pipe 34 leads froma port 39 vof the controlling means to the cylinder head 26, and the pipe 35 leads from a port 40 of the controlling means to the cylinder head l25, an exhaust port 41 being provided in the controlling means from which a pipe 42 may convey the exhausted pressure medium to any suitable point of discharge. A pressure regulator f may be installed in the supply pipe 33 at any desired point, and such pressure regulator may comprise a cylinder 43 which the supply pipe 33 is interrupted to receive diametrically opposite ports 44 being provided in the cylinder 43, to permit the crossing of the cylinder by the working medium, subject, however, to the control of a piston 45 provided in the cylinder and normally held in one end ofthe cylinder by a compression spring46 which maybe adjusted by a ihreadedicylindeif'head 47 The piston 45 is provided with a circumferential groove or channel 45a which normally registers With the ports 44 in the cylinder 43, permitting the work-ing medium to freely pass through the regulator when the piston is held in the end of the cylinder by the spring 46. A branch pipe 33a springs from the pipe 33 between the regulator f and the operating means of the pump, s-uch branch pipe 33a terminating in the head 48 of the cylinder 43 to admit pressure medium to the face 45b of the piston 45, excessive pressure causing the piston 45 to move against its sprin 46, cutting off' or cutting down the supp y of pressure medium according to-the requirements of the operating` means C. A shut-0H valve 49 is provided in the pipe 33 and by means of this shut-off. valve operation of the pump may be entirely suspended.

rlhe registering means E preferably comprises a standard registering device 50 and operating means therefor, which may comprise a toothed rack 51 formed on the rod '31 and adapted to mesh with a pinion 5()a provided in the tubular rod 28 so that the pinion 50a may mesh with the rack portion 51 on the rod 31, the rod 31 as before stated extending into the tubular rod 28 which serves as a housing therefor. The rod 3l is provided near its lower end with an abutment 31a' and passes through aV bore 30a in the cross-head 30, a nut 3lb being provided to hold the -rod 31 in place. A compression spring 30 acts between 'the abutment 31a and the cross-head 30-to move the rod longitudinally and hold the nut 31b against the cross-head 30.- Adjustment of theregistering means E to make the same conform to pump adjustment if it registers too much may be made by means of a threaded stud '53 passed through a nut 54 threaded onto the tubular. rod 28, and suitablyformed to assist in holding the cylinderhead 26 in place, as well as furnishing support for the stud 53. A lock nut 55 may be applied to hold the stud in any position of adjustment.

l vided o n the rod 32 which 'The indicating means F comprises a sight opening 56 provided in the tubular rod 27 and suitable calibrations or indicia are proslides in the tubular rod 27. The rod 32 is suitably fixed to the cross-head 30, as by nuts 32, which permit proper adjustment ofthe rod 32.

The pump stroke adjusting means Gr comprises a threaded stud 57 threaded into and passed through the cylinder head 26, and

securing means 58 for the stud 57. The* securing means 58 may comprise merely a Vlock nut such as the lock nut 55 of the indicator adjustment means, although it is mani- :fest that any other securing, locking or sealing means may be readily attached. The stud 57 may be adj-usted to' stop the piston e at the proper -point in its travel in one direction to insure the delivery of a definite quantity of liquid at each stroke of the pump, this control of the piston e, of course, also controlling the pump piston B, such pistons being limited in their travel in the direction away from the stud 57 by the cylinder head 25 or by any other fixed stop. l

A stufiing Ibox 60 is provided on the cylin- Ider head 25'* and is accessible for adjustment through open portions 61 of the spacer member 29, as are also the stuling box 10b and the nuts31b and 32a. y

The operation, method of use and advantages of the improved dispensing and Ineasuring pump will be readily understood `from the foregoing description taken inconnection with the `accompanying drawmg and the following statement.

The pipe 17 leading from any suitable source of iuid supply will convey to the pump cylinder A a definite quantity of fiuid at each full stroke of the piston B in a direction away from the cylinder head 9, the inlet check valve 12 rising from its seat to permit the entrance of the fluid to the cylinder, a definite quantity of the fluid ahead of the piston being forced through the discharge pipe 10c in this movement of the piston. When the piston comes to rest at the end of its stroke the inlet check valve 12 falls to its seat and on return of the piston toward the cylinder head 9 the fluid in the cylinder A will be transferred past the check valve 19 on the piston to be forcedl pistons B and e have completed their working strokes when the cock key is turned to the position shown in Fig. 5, admitting pressure medium through one of'the passages from the port 38 to the vport 39 through Athe pipe 34 and through the cylinder head 26 to the upper side of the piston e, the pressure medium forcing the piston e and the pump plunger B in a direction opposite that taken on the working stroke. the pipe 35 meanwhile being ,connected with the exhaustpipe 42 through the ports 40 and 41 and one of the passage ways 36 of the key 36a, permitting exhaust of the used working medium beneath the piston e, and causing the transfer of the new charge of fluid being' pumped to the upper face of the pump plunger B, through the port 20 and past the check valve 19. To cause the charge of fluid just transferred past the check valve 19 to be forced from the pump cylinder, the handle 37 of the control means D is again manipulated to turn the key 36a to the position first described, whereupon working medium will be admitted to the under side of the piston e, and the upper portion of the cylinder c will be connected with the exhaust pipe 42. l On the working stroke of the 4pump the calibrated rod 32 will be moved upwardly` Ibringing the indicia there- B, the reversal of the key 36a of the four- Way cock 36 will return the piston to its starting position.

The registering means E being connected With and operated by the rod '31 may register the total number of strokes as Well as any fractional portion of a stroke executed by the plunger B, and such indicating or registering means may be so organized that the reading thereof may be in units offluid measure instead of strokes ofthe plunger B. Adjustment of the registering device, if it registers too much, may be made as before mentioned through the stud 53, Which will limit the upward travel of the rod 3l, the spring 30c permitting the crosshead to further'rise after the rod 3l has been stopped in its travel by the adjusting stud 53. i

. Having thus disclosed our invention, We claim and desire to secure by Letters Patent:

l. In a device of the character described, the combination with a reciprocating pump piston together with its piston rod and operating means therefor. of a cross head applied to the piston rod, a slide connected to parallel to the the cross head and arranged parallel to the piston rod. and a register operatively connected to the slide for actuation thereby.

i2. In a device of the character described, the combination with a reciprocating pump vpiston together with its piston rod and operating means therefor, of a cross head applied to the piston rod, a pair of slides connected to the cross head and arranged piston rod, a register operatively connected to one of the slides for actuation thereby, and indicating means controlled by the other slide.

3. In a device of the character described,

. the combination with a reciprocating pump piston together with its piston rod and operating means therefor including guide sleeves holding parts ofthe said mechanism in assembled relation,of a cross head applied to the piston rod, a pair of slides connected to the cross head and arranged paralled to the piston rod. said slides operating in the before mentioned guide sleeves, a register operatively connected to one of the slides for operation thereby, and indicating means controlled by the other slide.

4. In a device of the character described,`

the combination with a reciprocating pump piston and operating means therefor, of a register. a yieldablymounted register operating member carried by the piston rod, and adjustable stop means arranged in the path of the said member to limit the travel thereof and-prevent overrunning of the register.

5. In a device o f the character described, the combination With a reciprocating pump piston and operating means therefor, of a reglster, a reciprocating member operatively -heads connected by a 'yieldable connection operatively connected to the register, and

an adjustable stop in the path of the rack bar to limit the travel thereof and prevent overrunning of the register.

7. In a deviceof the character described, the combination of a reciprocating rack bar, means for yieldably connecting the rack bar to the piston of a measuring pump, a register arranged to be driven by the rack bar. and an adjustable stop in the path of the rack bar to limit the travel thereof and prevent overrunning of the register.

8. The combination with a reciprocating pump piston and operating means therefor including a cylinder formed with cylinder heads connected by a tubulanbolt, a rod slidable Within the tubular bolt and operatively connected to the pump piston to reciprocate therewith, and a register arranged to be driven by the rod.

9. The combination With a reciprocating pump piston and operating means therefor including a cylinder formed with cylinder heads connected by a tubular bolt having a slot in one side thereof, a rack slidably mounted within the tubular bolt and operatively connected to the pump piston to reciprocate therewith, a pinion extending through the slotted side of the tubular bolt and into mesh with the rack, and a register driven by the pinion.

10. The combination with a reciprocating pump piston and operating means therefor including a cylinder formed With cylinder tubular bolt, a rack the tubular bolt, a between the rack bar a register mounted to be driven by the rack bar, and an adjustable stop arranged within the tubular bolt for engagement With the rack bar to limit the travel thereof and prevent overrunning of the register.

11. The combination with a reciprocating pump piston and operating means including a cylinder formed with cylinder heads connected by tubular bolts, rods slidably mounted Within the tubular'bolts and operatively connected to the pump piston to move therewith, a register arranged to be actuated by one of the rods, and indicating means controlled by the other rod.

bar slidable Within and the pump piston,

12. In' a device of the character des `iibed,

character described, 4

therefor 1,320,845 headsthereof connected by a tubular bolt, ,including a pistonand a motor element in- `of a slide mounted within thetubular bolt cluding a tubular bolt for holding partsr and operatively connected tothe-piston' to thereof in assembledl relation, of 'a slide 2c reciprocate therewith, and a registerl armounted to reciprocate within the tubular 5 ranged to be actuated by the reciprocating boltandeperatively connected tothe piston movement of the slide. to move therewith, and a. re ster actuated In a device of the character described, by the movementsof the sliel. l thel combination with a cylinder including i In testimony whereof we have signed'l our'l 25 cylinder heads connected by tubularl bolts, -names to'this specication inthe presence of 4 10 of a cross head movable with Nthe piston, two subscribing witnesses. l slides connected .to the cross head and oper- Y atlng within the tubular bolts as guides, a register actuated by one of the slldes, and' V CURTIS EDWARDS Y indicating mean's controlled by the other 15 slide. A Witnesses: 14. In la device of the characterdescribed, ALFRED H. DAEHLER,

the combination with a 'pump mechanism FRA-Nels Lilesmecf.`

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