GB191315004A - Improvements in Valve-mechanism for Steam Engines. - Google Patents

Improvements in Valve-mechanism for Steam Engines.

Info

Publication number
GB191315004A
GB191315004A GB191315004DA GB191315004A GB 191315004 A GB191315004 A GB 191315004A GB 191315004D A GB191315004D A GB 191315004DA GB 191315004 A GB191315004 A GB 191315004A
Authority
GB
United Kingdom
Prior art keywords
valve
controlled
steam
cylinder
lap
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
Application number
Inventor
Ivo Sensini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191315004A publication Critical patent/GB191315004A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L31/00—Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00

Abstract

15,004. Sensini, I. June 30. Hand, foot, and like gear; automatic gear.- The distributing-valve is provided with two separate controlling surfaces having different laps which control the steam supplied to the cylinder from two sources. The supply is controlled by a differential valve which is controlled by a governor or by a valve connected to the reversing-lever. In the construction shown in Figs. 1 and 2, the distributing-valve 24 has collars which control ports 22, 23 and have laps e, e' respectively. The steam is supplied to the valve-chest by passages 4, 4<1> controlled by the head 8, or by passages 5, 5<1> controlled by the head 9 of the differential-valve 7. The valve head with the greater lap c controls the steam from the passage 5<1>, and the head with the small lap e controls the ports 19, 20. When starting, the small opening 18 and then the port 15 in the valve 13 is brought over the port 17. The valve 7 is raised, and steam admitted to the cylinder by the edges having the small lap e<1>. When started, the valve 13 is moved to reverse the valve 7. The steam supplied to the cylinder is then controlled by the collars with the large lap e. In the modification shown in Fig. 3, the stroke of the main valve is controlled by a governor. When working with greater steam lap, the channel 4<11> only is connected with the inlet. When the piston-valve stroke is increased and port 28 opened, fluid passes to valve 7<1> to move it to open port 5<11>. Fluid is then supplied to the cylinder past both controlling collars at each end of the valve. A modification of the arrangement shown in Fig. 3 is described wherein the supply through channel 4<11> is controlled by a single annular ring carried by the main valve. During normal running, the initial admission takes place with a pressure inferior to boiler pressure, as the steam which first enters the cylinder is that which remains in the passages 5<1>, 26 or 5<11>, 26<1>. This obviates knocking at the dead centres. A further modification is described applied to a double-ported piston valve. The invention is applicable to flat slide valves.
GB191315004D 1913-06-30 1913-06-30 Improvements in Valve-mechanism for Steam Engines. Expired GB191315004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191315004T 1913-06-30

Publications (1)

Publication Number Publication Date
GB191315004A true GB191315004A (en) 1914-05-28

Family

ID=32645349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191315004D Expired GB191315004A (en) 1913-06-30 1913-06-30 Improvements in Valve-mechanism for Steam Engines.

Country Status (1)

Country Link
GB (1) GB191315004A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152541A (en) * 1996-10-31 2000-11-28 Huber; Lamont C. Quick release bicycle axle with theft-deterrent locking end cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152541A (en) * 1996-10-31 2000-11-28 Huber; Lamont C. Quick release bicycle axle with theft-deterrent locking end cap

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