US1215969A - Sheet-metal piston. - Google Patents

Sheet-metal piston. Download PDF

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Publication number
US1215969A
US1215969A US13686116A US13686116A US1215969A US 1215969 A US1215969 A US 1215969A US 13686116 A US13686116 A US 13686116A US 13686116 A US13686116 A US 13686116A US 1215969 A US1215969 A US 1215969A
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United States
Prior art keywords
piston
sleeves
sheet
sheet metal
united
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Expired - Lifetime
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US13686116A
Inventor
Thomas E Murray
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Individual
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Priority to US13686116A priority Critical patent/US1215969A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/0015—Multi-part pistons
    • F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/63—Frangible connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S122/00—Liquid heaters and vaporizers
    • Y10S122/16—Welding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49249—Piston making
    • Y10T29/49256—Piston making with assembly or composite article making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49893—Peripheral joining of opposed mirror image parts to form a hollow body

Definitions

  • the invention is a piston having internal sleeves for the reception of the piston rod pin, the said piston and sleeves being formed of struck up sheet metal, with the parts united by electrically welded joints, and a method of making said piston.
  • Figure 1 represents the blank from which one of the half sections of the piston is made.
  • Fig. 2 is an elevation, and Fig. 3 is a transverse section of one of said half sections.
  • Fig. 4 is a section similar to'Fig. 3, with one of the internal sleeves electrically welded in place.
  • Fig. 5 is a section on the line :0, w of Fig. 6, of the completed piston.
  • Fig. 6 is a section on the line y, 3 of Fig. 5. showing the cover plate electrically welded in place.
  • the blank A, Fig. 1, from which each half section of the piston is formed, is a parallelogram of sheet metal of suitable dimensions;
  • the sleeves E are esigned to receive the usual pin by which the piston rod is connected to'the piston, said rod then entering the piston through the open end thereof, and
  • a piston comprising a hollow cylinder having diametrically opposite circular openings in its wall, and integral iii-turned flanges surrounding said openings, a cylinder head, and sleeves respectively united at their outer ends to said flanges and separated at their inner ends: the said cylinder sleeves and head being formed of struck up sheet metal and united by electrically welded joints.
  • a piston comprising a hollow cylinder having diametrically opposite circular openings in its wall, and integral in-turned flanges surrounding said openings and circumferential grooves on the exterior of said wall, a cylinder head, and sleeves respectively united at their outer ends to said flanges and separated at their inner ends: the said cylinder, sleeves and head being formed of struck up sheet metal and united by electrically welded joints.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

T. E. MURRAY.
S HEET METAL PISTON.
APPLICATIQN FILED DEC-14,1916- 1,215,969. Patented Feb.13,1917.
F3 6: anveufop Jam km s
rnomas E. MURRAY, or NEW YORK, N. Y.
SHEET-METAL PISTON.
Specification of Letters Patent.
Patented Feb. 13, 1917.
Application filed December 14, 1916. Serial No. 136,861.
To all whom it may concern:
Be it known that I, THOMAS E. MURRAY, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented a certain new and useful Improvement in Sheet-Metal Pistons, of which the following is a specification.
The invention is a piston having internal sleeves for the reception of the piston rod pin, the said piston and sleeves being formed of struck up sheet metal, with the parts united by electrically welded joints, and a method of making said piston.
In the accompanying drawings Figure 1 represents the blank from which one of the half sections of the piston is made. Fig. 2 is an elevation, and Fig. 3 is a transverse section of one of said half sections. Fig. 4 is a section similar to'Fig. 3, with one of the internal sleeves electrically welded in place. Fig. 5 is a section on the line :0, w of Fig. 6, of the completed piston. Fig. 6 is a section on the line y, 3 of Fig. 5. showing the cover plate electrically welded in place.
Similar letters of reference indicate like parts.
The blank A, Fig. 1, from which each half section of the piston is formed, is a parallelogram of sheet metal of suitable dimensions;
In said blank I produce by striking up or stamping, a circular openingB and a flange or rib C surrounding said opening. I then bend the blank into semi-circular form, and at the same time strike up the channels D for the reception of the usual packing rings or gaskets. I then electrically weld to the rib C,.the butt end of a sleeve E, also of sheet metal. I produce in this way, two similar half sections A, A, Fig. 5. I- then electrically weld the longitudinal edges of said half sections as shown at F. To one end of the cylinder thus'produced, I weld electrically the head G, which I also stamp from sheet metal, preferably with an integral circular struck u strengthening rib H.
The sleeves E are esigned to receive the usual pin by which the piston rod is connected to'the piston, said rod then entering the piston through the open end thereof, and
into the space between the inner ends of said sleeves E.
In this way, I produce a piston wholly of sheet metal, with its parts connected by electrically welded joints, thus forming a complete homogeneous and strong structure. No machining is required to fit the parts, and the cost of manufacture is largely reduced.
I claim:
1. A piston, comprising a hollow cylinder having diametrically opposite circular openings in its wall, and integral iii-turned flanges surrounding said openings, a cylinder head, and sleeves respectively united at their outer ends to said flanges and separated at their inner ends: the said cylinder sleeves and head being formed of struck up sheet metal and united by electrically welded joints.
2. A piston, comprising a hollow cylinder having diametrically opposite circular openings in its wall, and integral in-turned flanges surrounding said openings and circumferential grooves on the exterior of said wall, a cylinder head, and sleeves respectively united at their outer ends to said flanges and separated at their inner ends: the said cylinder, sleeves and head being formed of struck up sheet metal and united by electrically welded joints.
3. A cylindrical piston of sheet metal,
comprising two semi-cylindrical half sec-1 tions, each formed by striking up the sheet, the said sections being united at their longitudinal edges, an internal circular rib integrally formed on the concave side of each section, the said ribs surrounding diametrically opposite circular openings in said sections, a cylinder head, and sleeves united at their outer ends to said ribs, the said sleeves being in line and having their inner ends separated: the said sections, sleeves and head being formed of struck up sheet metal and united by electrically welded joints.
4. The method of making a hollow cylindrical piston of sheet metal, which consists in, first, forming on each of two flat sheets a circular opening and an integral flange surrounding said opening, second, bending each of said sheets to form a semi-cylindri cal half section, with said flange on its concave side, third, eleetricslly'butt-welding In testimony whereof I have aflixed my said flanges, sleeves, each of '9, length less signature in presence of two Witnesses.
than the semi-diameter of said piston 2 i i fourth, electrically Welding together said S MURRAY semi-cylindrical sections at their longitudi- -Witnesses: m1 edges, and fifth, electrically Welding a GERTRUDE T-EORTER,
head of sheet metal to one end of said piston. MAY T. MOGARBY.
US13686116A 1916-12-14 1916-12-14 Sheet-metal piston. Expired - Lifetime US1215969A (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099289B (en) * 1957-06-04 1961-02-09 Andre Cornet Pistons for piston engines
US20140274552A1 (en) * 2013-03-14 2014-09-18 Dana Limited Cvt variator ball and method of construction thereof
US9347532B2 (en) 2012-01-19 2016-05-24 Dana Limited Tilting ball variator continuously variable transmission torque vectoring device
US9353842B2 (en) 2012-09-07 2016-05-31 Dana Limited Ball type CVT with powersplit paths
US9404414B2 (en) 2013-02-08 2016-08-02 Dana Limited Internal combustion engine coupled turbocharger with an infinitely variable transmission
US9416858B2 (en) 2012-09-07 2016-08-16 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US9541179B2 (en) 2012-02-15 2017-01-10 Dana Limited Transmission and driveline having a tilting ball variator continuously variable transmission
US9551404B2 (en) 2013-03-14 2017-01-24 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US9556941B2 (en) 2012-09-06 2017-01-31 Dana Limited Transmission having a continuously or infinitely variable variator drive
US9556943B2 (en) 2012-09-07 2017-01-31 Dana Limited IVT based on a ball-type CVP including powersplit paths
US9599204B2 (en) 2012-09-07 2017-03-21 Dana Limited Ball type CVT with output coupled powerpaths
US9638296B2 (en) 2012-09-07 2017-05-02 Dana Limited Ball type CVT including a direct drive mode
US9638301B2 (en) 2013-03-14 2017-05-02 Dana Limited Ball type continuously variable transmission
US9777815B2 (en) 2013-06-06 2017-10-03 Dana Limited 3-mode front wheel drive and rear wheel drive continuously variable planetary transmission
US10030594B2 (en) 2015-09-18 2018-07-24 Dana Limited Abuse mode torque limiting control method for a ball-type continuously variable transmission
US10030748B2 (en) 2012-11-17 2018-07-24 Dana Limited Continuously variable transmission
US10030751B2 (en) 2013-11-18 2018-07-24 Dana Limited Infinite variable transmission with planetary gear set
US10088022B2 (en) 2013-11-18 2018-10-02 Dana Limited Torque peak detection and control mechanism for a CVP

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099289B (en) * 1957-06-04 1961-02-09 Andre Cornet Pistons for piston engines
US9347532B2 (en) 2012-01-19 2016-05-24 Dana Limited Tilting ball variator continuously variable transmission torque vectoring device
US9541179B2 (en) 2012-02-15 2017-01-10 Dana Limited Transmission and driveline having a tilting ball variator continuously variable transmission
US9556941B2 (en) 2012-09-06 2017-01-31 Dana Limited Transmission having a continuously or infinitely variable variator drive
US10006527B2 (en) 2012-09-07 2018-06-26 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US9416858B2 (en) 2012-09-07 2016-08-16 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US10088026B2 (en) 2012-09-07 2018-10-02 Dana Limited Ball type CVT with output coupled powerpaths
US9353842B2 (en) 2012-09-07 2016-05-31 Dana Limited Ball type CVT with powersplit paths
US9556943B2 (en) 2012-09-07 2017-01-31 Dana Limited IVT based on a ball-type CVP including powersplit paths
US9599204B2 (en) 2012-09-07 2017-03-21 Dana Limited Ball type CVT with output coupled powerpaths
US9638296B2 (en) 2012-09-07 2017-05-02 Dana Limited Ball type CVT including a direct drive mode
US9689477B2 (en) 2012-09-07 2017-06-27 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
US10030748B2 (en) 2012-11-17 2018-07-24 Dana Limited Continuously variable transmission
US9644530B2 (en) 2013-02-08 2017-05-09 Dana Limited Internal combustion engine coupled turbocharger with an infinitely variable transmission
US9404414B2 (en) 2013-02-08 2016-08-02 Dana Limited Internal combustion engine coupled turbocharger with an infinitely variable transmission
US9638301B2 (en) 2013-03-14 2017-05-02 Dana Limited Ball type continuously variable transmission
US9689482B2 (en) 2013-03-14 2017-06-27 Dana Limited Ball type continuously variable transmission
US9933054B2 (en) 2013-03-14 2018-04-03 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US20140274552A1 (en) * 2013-03-14 2014-09-18 Dana Limited Cvt variator ball and method of construction thereof
US9551404B2 (en) 2013-03-14 2017-01-24 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US9777815B2 (en) 2013-06-06 2017-10-03 Dana Limited 3-mode front wheel drive and rear wheel drive continuously variable planetary transmission
US10030751B2 (en) 2013-11-18 2018-07-24 Dana Limited Infinite variable transmission with planetary gear set
US10088022B2 (en) 2013-11-18 2018-10-02 Dana Limited Torque peak detection and control mechanism for a CVP
US10030594B2 (en) 2015-09-18 2018-07-24 Dana Limited Abuse mode torque limiting control method for a ball-type continuously variable transmission

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