US112438A - Improvement in pump-pistons - Google Patents
Improvement in pump-pistons Download PDFInfo
- Publication number
- US112438A US112438A US112438DA US112438A US 112438 A US112438 A US 112438A US 112438D A US112438D A US 112438DA US 112438 A US112438 A US 112438A
- Authority
- US
- United States
- Prior art keywords
- cylinder
- piston
- pump
- improvement
- pistons
- 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
- 230000000875 corresponding Effects 0.000 description 8
- SEQDDYPDSLOBDC-UHFFFAOYSA-N Temazepam Chemical compound N=1C(O)C(=O)N(C)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 SEQDDYPDSLOBDC-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
Definitions
- This invention relates to an ⁇ improvement in the ⁇ construction of pump-pistons', especially that classot" ⁇ pumps in which the cylinder is reciprocated, While the piston-rod, which isnrade tubular, rel-nains stationary,
- Vthe object of the invention being to. simplify the packing of the pislton within the pump-cylinder.
- ⁇ n y A is the upper tube, upon which is formed one part a of lthepiston.
- B the ⁇ lower tube, upon Whichris ⁇ formed-'the other or corresponding part'of 'the piston.
- These two parts are perlbrated, ⁇ respectively, .1, 1, 2, 2, nndwhen fitted togetherfform a valye-space 'orcham-v ber d, within which is placeda plate or ring, f, which ber to play up anddown from one surface to the other of the parte@ b.
- the pitrts a b are constructedwith a corresponding annnlargroove, so that one parta, sits uponone side of the flange c, andthe othery part b ⁇ sits upon the opposite side, thus supporting the cylinder O.
- the diameter of the partst bwe make-slightly less than the internal diameter of the cylinder O, and the external diameter of the cylinder C, corresponding to.
- the cylinder is passed 'up and down on the'piston in the usual manl ner for this class of pumps, the cylinder 'O forming the packing of the piston.
- The'pistona'b' being of less diameter than the cylinder O, allows aslig'ht play of the cylinder C on the piston and tube.
- the tube extends through'both ends ,of 'the cylinder, it is found in practice ditcu/lt to-preventslight irregularities in the movement of the cylinder, by the spring- ,ing ot the rod or otherwise, and this play, which is denoted by the broken lines, g. 2, prevents the cylinder from binding or rubbing on the ⁇ piston, While at all ltimes the cylinder C iitslrmly in the.pump-cylinder. ⁇
Description
GEORGE DooLrTrrLE, of` Bridgeport, in the vcounty of Fairfieldland State of Connecticut, have invented a 'new *Improvement in Pump-Piston; and we do hereby declare the following, whentaken inconneetion with l theaccompanying-drawing and the .letters of' reference marked .-lthereon, toghe a. full, clear, andfexact description of th'el`same,andwhieh said. drawing constitutes part of y thisspecieation, and represents in p Figure 2, a vertical eentralsection; l
f l Figure 3, a top view with the part a of the piston removed; aldn l,
This invention relates to an` improvement in the `construction of pump-pistons', especially that classot"` pumps in which the cylinder is reciprocated, While the piston-rod, which isnrade tubular, rel-nains stationary,
forming the vatlve forraising thewater, Vthe object of the invention being to. simplify the packing of the pislton within the pump-cylinder.` n y A is the upper tube, upon which is formed one part a of lthepiston. B, the` lower tube, upon Whichris `formed-'the other or corresponding part'of 'the piston. These two parts are perlbrated, `respectively, .1, 1, 2, 2, nndwhen fitted togetherfform a valye-space 'orcham-v ber d, within which is placeda plate or ring, f, which ber to play up anddown from one surface to the other of the parte@ b. l y To pack the piston, We form a cylinder C of anysuitable metal, with an annular flange c upon its in- -Be it known that we,1JonN S. FoLLAnsBnn-and' '.w'orks freely thereon.
'and serves as a conductor for the water, the piston Covers the perforations, and isffree in the said cham- JOHNls. FoLLANsBnE AND GEORGE nocturne, or BRIDGEPORT, coNNEc'rI'ou'r, AssreNons To rnnlronnnsrnn MANUFAOTURING ooMPANxnfoF SAME PLAGE.
Letters Patent N o. 112,438, dated March 7, 1871.
`|MPRovE'M EN-T IN puMP-'P|sroNs.-
` The Schedule refen'edltovin these Letters Patent making part of the same.
side, as seen in iig. 2. The pitrts a b are constructedwith a corresponding annnlargroove, so that one parta, sits uponone side of the flange c, andthe othery part b` sits upon the opposite side, thus supporting the cylinder O.
The diameter of the partst bwe make-slightly less than the internal diameter of the cylinder O, and the external diameter of the cylinder C, corresponding to.
the internal diameter of the pump-cyli`nder, which TheV tube and piston being xed, the cylinder is passed 'up and down on the'piston in the usual manl ner for this class of pumps, the cylinder 'O forming the packing of the piston. The'pistona'b', being of less diameter than the cylinder O, allows aslig'ht play of the cylinder C on the piston and tube. As the tube extends through'both ends ,of 'the cylinder, it is found in practice ditcu/lt to-preventslight irregularities in the movement of the cylinder, by the spring- ,ing ot the rod or otherwise, and this play, which is denoted by the broken lines, g. 2, prevents the cylinder from binding or rubbing on the` piston, While at all ltimes the cylinder C iitslrmly in the.pump-cylinder.`
We claim as our invention-- In'coiubination with thetube or piston-rod A B, andvpiston a b constructed with an annular groove, the cylinder G with its annular flange c corresponding to the-said groove in the piston, in the manner substantiatlly asherein set forth.
J. S. FOLLANSBEE, l GEORGE DOOLITTLE. Witnesses:
G. E. Bnmtrs, `N. M. BEACH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US112438A true US112438A (en) | 1871-03-07 |
Family
ID=2181905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US112438D Expired - Lifetime US112438A (en) | Improvement in pump-pistons |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US112438A (en) |
-
0
- US US112438D patent/US112438A/en not_active Expired - Lifetime
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