US1205558A - Piston-packing. - Google Patents

Piston-packing. Download PDF

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Publication number
US1205558A
US1205558A US79298813A US1913792988A US1205558A US 1205558 A US1205558 A US 1205558A US 79298813 A US79298813 A US 79298813A US 1913792988 A US1913792988 A US 1913792988A US 1205558 A US1205558 A US 1205558A
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United States
Prior art keywords
packing
piston
ring
flange
edge
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
Application number
US79298813A
Inventor
Charles H Miles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
C H MILES
K D HOLLAND
MOTOR EQUIPMENT Co
O S LATTIMORE SR
R C LEWIS
Original Assignee
C H MILES
K D HOLLAND
MOTOR EQUIPMENT Co
O S LATTIMORE SR
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by C H MILES, K D HOLLAND, MOTOR EQUIPMENT Co, O S LATTIMORE SR filed Critical C H MILES
Priority to US79298813A priority Critical patent/US1205558A/en
Application granted granted Critical
Publication of US1205558A publication Critical patent/US1205558A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/14—Joint-closures
    • F16J9/16—Joint-closures obtained by stacking of rings

Definitions

  • My invention relates to piston packing for steam or internal combustion engine pistons, and the object is to provide perfect packing expansible rings for plunger pistons so that there can be no leaking of steam or of explosive force past the pistons and to provide a continuous packing surface both in the bottom of the groove of the piston and on the exterior surface of the packing.
  • Figure 1 is a top plan view of the packing rings.
  • Fig. 2 is an inverted plan view.
  • Fig. 3 is a similar view to Fig. 2, but showing how the rings may be cut away as much as one third and still be perfect packing rings.
  • Fig. & is a. cross-section of the packing rings fitted in a piston groove.
  • the improved packing is made up of a spring open ring 1 which has a right angle flange 5 at the top, and an exterior open ring 2.
  • the ring 1 is open at 3 and the ring 2 is open at 4.
  • the flange 5 is. an exterior flange and extends outwardly flush with the outer surface of the ring 2.
  • a lug 6 may be attached to the exterior of the ring 1 at the point 4 where the outer ring 2 is severed to prevent circumferential movement of the ring 2 on the ring 1.
  • the joint between the flanged ring 1 and ring 2 is a ground joint andno gas or other element will pass through this joint.
  • Fig. 4 12 indicates the pressure end of a piston.
  • the piston has an annular groove therein and the packing side of the groove in pistons for internal combustion'engines is indicated at 11.
  • the edges 7 of the packing members will press on the side 11 and form a perfect seal.
  • the packing member 2 and the flange 5 will make a continuous pressure surface for sealing against the interior of the cylinder.
  • Piston packing comprising an inner open ring member having a flange at the top edge projecting radially outward and providing a packing or pressure surface on top thereof and an open ring member mounted on the exterior of said inner member and having the outer surface thereof flushwith the outer surface of said flange and having the bottom edge thereof flush with the bottom edge of said inner member, both members being automatically expansible by the resiliency of the metal.
  • Piston packing comprising an inner open ring automatically expansible member provided with an exterior flange projecting radially from the pressure edge thereof forming a pressure surface on the top edge 'of the ring and an outer open ring automaticall y eXpansible member mounted on In testimony whereof, I set my hand, in the exterior of the said inner member and the presence of tWo Witnesses, this 29th day having its peripheral pressure surface flush of September, 1913.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

c. H. MILES.
PISTON PACKING.
APPLICATION FILED OCT- 2, 1913.
1 205,558. Patented Nov. 21, 1916.
ii/A UNITED STATES PATENT, onruon.
CHARLES H. MILES, OF FORT WORTH, TEXAS, ASSIGNOR TO MOTOR EQUIPMENT COM- PANY, OF FORT WORTH, TEXAS, A FIRM COMPOSED OF 0. S. LATTIMORE, $3., K. D. HOLLAND, R. C. LEWIS, AND C. H. MILES.
PISTON-PACKING.
Specification of Letters Patent.
Patented Nov. 21, 1916.
Application filed October 2, 1913. Serial No. 792,988.
Toall whom it may concern:
Beit known that I, CHARLES H. MILES, a citizen of the United States, residing at Fort WVorth, in the county of Tarrant and State of Texas, have invented certain new and useful Improvements inPiston-Packing, of which the following is a specification.
My invention relates to piston packing for steam or internal combustion engine pistons, and the object is to provide perfect packing expansible rings for plunger pistons so that there can be no leaking of steam or of explosive force past the pistons and to provide a continuous packing surface both in the bottom of the groove of the piston and on the exterior surface of the packing.
Other objects and advantages will be fully explained in the following description and the invention will be more particularly pointed out in the claims.
Reference is had to the accompanying drawings which form a part of this v application.
Figure 1 is a top plan view of the packing rings. Fig. 2 is an inverted plan view. Fig. 3 is a similar view to Fig. 2, but showing how the rings may be cut away as much as one third and still be perfect packing rings. Fig. & is a. cross-section of the packing rings fitted in a piston groove.
Similar characters of reference are used to indicate the same parts throughout the several views.
The improved packing is made up of a spring open ring 1 which has a right angle flange 5 at the top, and an exterior open ring 2. The ring 1 is open at 3 and the ring 2 is open at 4. The flange 5 is. an exterior flange and extends outwardly flush with the outer surface of the ring 2. A lug 6 may be attached to the exterior of the ring 1 at the point 4 where the outer ring 2 is severed to prevent circumferential movement of the ring 2 on the ring 1. The joint between the flanged ring 1 and ring 2 is a ground joint andno gas or other element will pass through this joint. For this reason, gases or any other element cannot pass below the bottom edges 7 of the rings, where one ring is cutaway theother being continuous and the two rings having their bottom surfaces 7 flush with each other. There is thus a continuous packing surface in the bottom of the groove in the piston. The ground joint 8 will be steam or explosive mixture tight. The packing surface will be continuous on the outer periphery because of the ground oint 8 and because that part 9 of the flange 5 will bridge the cut-out 4 between the ends of the ring or packing 2. The pressure of the explosive force in internal combustion engines will be on the edge 10 of the packing and will thus press the two edges 7 against the bottom of the groove in the piston. As above pointed out, the two edges make a continuous packing surface in the bottom of the groove, consequently the packing will be gas and steam tight against pressure on the top edge 10 of the packing.
Attention is called to the fact that the greater packing surface of the packing shown is parallel with thesurface of the piston and the less packing surface is perpendicular or at right angles to the surface of the piston. The two members of the packing being made of spring metal, the tendency will be to expand and to keep the piston packed.
In Fig. 4 12 indicates the pressure end of a piston. The piston has an annular groove therein and the packing side of the groove in pistons for internal combustion'engines is indicated at 11. The edges 7 of the packing members will press on the side 11 and form a perfect seal. The packing member 2 and the flange 5 will make a continuous pressure surface for sealing against the interior of the cylinder.
Vhat I claim is,
1. Piston packing comprising an inner open ring member having a flange at the top edge projecting radially outward and providing a packing or pressure surface on top thereof and an open ring member mounted on the exterior of said inner member and having the outer surface thereof flushwith the outer surface of said flange and having the bottom edge thereof flush with the bottom edge of said inner member, both members being automatically expansible by the resiliency of the metal.
2. Piston packing comprising an inner open ring automatically expansible member provided with an exterior flange projecting radially from the pressure edge thereof forming a pressure surface on the top edge 'of the ring and an outer open ring automaticall y eXpansible member mounted on In testimony whereof, I set my hand, in the exterior of the said inner member and the presence of tWo Witnesses, this 29th day having its peripheral pressure surface flush of September, 1913.
with the outer edge of said flange and hav- CHAS. H. MILES. ing itsbottom edge flush with the bottom v VitneSses:- edge of sziid inner member and said mem- A. L. JACKSON,
bers being connected by a ground joint. N OBLE LLOYD.
US79298813A 1913-10-02 1913-10-02 Piston-packing. Expired - Lifetime US1205558A (en)

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US79298813A US1205558A (en) 1913-10-02 1913-10-02 Piston-packing.

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US79298813A US1205558A (en) 1913-10-02 1913-10-02 Piston-packing.

Publications (1)

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US1205558A true US1205558A (en) 1916-11-21

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