US31629A - Steam-valve - Google Patents

Steam-valve Download PDF

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Publication number
US31629A
US31629A US31629DA US31629A US 31629 A US31629 A US 31629A US 31629D A US31629D A US 31629DA US 31629 A US31629 A US 31629A
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United States
Prior art keywords
valve
steam
chamber
ports
case
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
    • B62D5/093—Telemotor driven by steering wheel movement
    • B62D5/097—Telemotor driven by steering wheel movement gerotor type
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86662—Axial and radial flow

Definitions

  • Figure l is a perspective view of the case or shell containing the valve, together with the stuffing-box, lever and strap;
  • Fig. 2 a longitudinal section;
  • Fig'. 3 a transverse section;
  • Fig. 4 a transverse section showing the position of the valve during the passage of steam from the -feed pipe to the cylinder;
  • Fig. 5 a perspective view of the valve and stem.
  • the upper half of the Valve is cast hollow, as shown at fj, with two ports 0, 0, directly opposite each other, through which the steam passes from the chamber y to either end of the cylinder, alternately, by way of the tubes or 'pipes a, a.
  • On the un; ⁇ derside of the valve is exhaust chamber E.
  • the two ports 0, 0, being directly opposite each other the pressure of the steam is counterbalanced so as to prevent friction, and the chamber y admitting steam to both ends of the valve at the same time also prevents friction which would otherwise occur.
  • the shell or case c c c is cast in one piece with the cavity for the valve seat and passages for the steam as shown above. This case is fastened to the cylinderI over ports corresponding to the passages a, a, which lead to either side of the piston.
  • the lever '1' is attached to the stem R and secured by the set screw lV. To this lever is attached the connection rod leading to the eccentric7 which gives to the valve the necessary rocking ⁇ motion.
  • P, P is the ordinary stuffing box
  • B a strap by means of which the valve is held between the set screws s, s.
  • the valve is fitted steam-tight into the cavity in the case c, c, and covered by the stuffing box.

Description

Millport, in the county of Ohemung, inthe UNITED sTATEs PATENT OFFICE.
JAMES H. SCOTT, OF MILLPORT, NEW' YORK.
STEAM-VALVE.
Specification of Letters Patent No. 31,629, dated March 5, 1861.
To all whom t may concern:
Be it known that I, JAMES H. SCOTT, of
State of New York, have invented certain new and use-ful Improvements inA Steam- Valves; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, in whichy Figure l is a perspective view of the case or shell containing the valve, together with the stuffing-box, lever and strap; Fig. 2 a longitudinal section; Fig'. 3 a transverse section; Fig. 4 a transverse section showing the position of the valve during the passage of steam from the -feed pipe to the cylinder; Fig. 5 a perspective view of the valve and stem.
The upper half of the Valve is cast hollow, as shown at fj, with two ports 0, 0, directly opposite each other, through which the steam passes from the chamber y to either end of the cylinder, alternately, by way of the tubes or 'pipes a, a. On the un;` derside of the valve is exhaust chamber E. The two ports 0, 0, being directly opposite each other the pressure of the steam is counterbalanced so as to prevent friction, and the chamber y admitting steam to both ends of the valve at the same time also prevents friction which would otherwise occur. The
only friction of the valve is confined to the bearings of the set screws s, s. The steam l being admitted at the feed pipe F F passes through the steam chamber y into the steam ports 0 0 alternately and from thence to either end of the cylinder through the tubes or pipes a, a, and exhausts through the chamber E and exhaust pipe a?.
The shell or case c c c is cast in one piece with the cavity for the valve seat and passages for the steam as shown above. This case is fastened to the cylinderI over ports corresponding to the passages a, a, which lead to either side of the piston. The lever '1' is attached to the stem R and secured by the set screw lV. To this lever is attached the connection rod leading to the eccentric7 which gives to the valve the necessary rocking` motion.
P, P, is the ordinary stuffing box, and B a strap by means of which the valve is held between the set screws s, s. The valve is fitted steam-tight into the cavity in the case c, c, and covered by the stuffing box.
That I claim as my invention and desire to secure by Letters Pate-nt is- The construction of the valve with chamber 1, ports 0, o, exhaust chamber E and stem R, as set forth, in combination with the case c, c, feed-pipe F, tubes or pipes a, a, and
zc, lever r, set screws s, s, and strap B, the
whole constructed and arranged substantially as and for the purposes described.
J. H. SCOTT. illitnesses:
H. L. PIERCE, E. S. RUMsEY.
US31629D Steam-valve Expired - Lifetime US31629A (en)

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