US702005A - Draft-regulator for locomotives - Google Patents

Draft-regulator for locomotives Download PDF

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Publication number
US702005A
US702005A US4521801A US1901045218A US702005A US 702005 A US702005 A US 702005A US 4521801 A US4521801 A US 4521801A US 1901045218 A US1901045218 A US 1901045218A US 702005 A US702005 A US 702005A
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valve
draft
locomotives
exhaust
pipe
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US4521801A
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Otto Hoerenz
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire

Definitions

  • WITNESSES I INVENTOR @MMM 0w? zam. r
  • This invention relates to a'device for regulating the draft in locomotives, being especially designed to prevent a too strong draft with its consequent evils from arising when an unusually large amount of steam escapes in overcoming an upgrade when there is a large consumption of steam by thecylinders or in starting, especially when the wheels slide on the rails.
  • valve a arranged in the exhaust-pipe b in such a manner that by its operation the surplus of steam accountable for the too strong draft may be directed aside or the effective current of steamso weakened that the draft never exceedsa certain maxi mum.
  • the automatic operation of the valve may be eifected by the increase of the steampressure or of the draft with the aid of various devices.
  • the device shown in Fig. 1 consists of a piston 0, arranged to move in a cylinder (1, communicating with the exhaust-pipe b and connected through a rod 9 with an arm f of the valve a. (Here represented as a dampervalve.)
  • a rod g firmly connected with the piston, is fitted through an opening of the cylinder-top h to further guide the piston, and a screw-spring acts on the latter to normally press it downward.”
  • the piston c is raised when the exhaust of steam increases and by means of rod e and arm f the valve operated, so as to weaken the current of steam.
  • the device shown in Fig. 2 consists of a valve m in the branch pipe 1:. of the exhaustpipe I), which transmits motion by an angu- Serial No. 46,218. (No model.)
  • valve a might be operated by still other devices, and I therefore donot restrict myself to those named, but desire my claims to be extended generally to all valves operated by the increase of the draft or the exhaust of steam with the aid of any suitable organ.
  • valve instead of in the smoke-box the valve a controlling means.
  • An exhaustregulator .for locomotives comprising an exhaust-pipe, avalve pivoted therein, a branch pipe connected directly to the exhaust-pipe a valve-seat'therein, a valve in the branch pipe, means to hold the said valve in position on the valve-seat, and means extending through the exhaust pipe and branch pipe to connect the respective valves in the said pipes.
  • An exhaust-regulator for locomotives comprising an exhaust-pipe, a valve located therein, a branch pipe connected to the exhaust-pipe'and provided with a valve-seat, a valve in thebranch pipe normally held closed by a spring, means to regulate the tension on I the spring and means extending through the branch pipe to connect the respective valves.

Description

No. 702,005. Patented June 10, |902.-
' U. HURENZ.
DRAFT REGULATOR FOR LOCOMOTIVES.
(Application fild Jan. 29, 1901.)
WITNESSES: I INVENTOR @MMM 0w? zam. r
' AT/ORNEY.
- useful Improvements in Draft-Regulators for To all whom it may concern.-
throughthe exhaust-pipeas, for instance,
UNITED STATES PATENT I OFFICE.
OTTO HORENZ, OF DRESDEN, GERMANY.
DRAFT-REGULATOR FOR LOCOMOTIVES.
SPECIFICATION formingpart of Letters Patent No. 702,005, dated June 10, 1902.
Application filed January 29, 1901.
Be it knownthat I, OTTO HoRENz, a citizen of the Kingdom of Prussia, residing at Dresden, in the Kingdom of Saxony and Empire of Germany, have invented certain new and Locomotives; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.
This invention relates to a'device for regulating the draft in locomotives, being especially designed to prevent a too strong draft with its consequent evils from arising when an unusually large amount of steam escapes in overcoming an upgrade when there is a large consumption of steam by thecylinders or in starting, especially when the wheels slide on the rails.
The invention is illustrated in Figures land 2 of the accompanying drawings.
It consists in a valve a, arranged in the exhaust-pipe b in such a manner that by its operation the surplus of steam accountable for the too strong draft may be directed aside or the effective current of steamso weakened that the draft never exceedsa certain maxi mum. The automatic operation of the valve may be eifected by the increase of the steampressure or of the draft with the aid of various devices.
The device shown in Fig. 1 consists of a piston 0, arranged to move in a cylinder (1, communicating with the exhaust-pipe b and connected through a rod 9 with an arm f of the valve a. (Here represented as a dampervalve.) A rod g, firmly connected with the piston, is fitted through an opening of the cylinder-top h to further guide the piston, and a screw-spring acts on the latter to normally press it downward." In this device the piston c is raised when the exhaust of steam increases and by means of rod e and arm f the valve operated, so as to weaken the current of steam.
The device shown in Fig. 2 consists of a valve m in the branch pipe 1:. of the exhaustpipe I), which transmits motion by an angu- Serial No. 46,218. (No model.)
lar rod 0 to the arm f of the valve a. When the amountof steam exhausted increases, the valve m is raised and by the intermediate parts 0 and f the valve a again turned into the position shown by broken lines in Fig. 2, the effective current of steam being thus weakened, as the free opening left by valve a is diminished and part of the steam let ofi through pipe n, thus not contributing toward producing draft.
The valve a might be operated by still other devices, and I therefore donot restrict myself to those named, but desire my claims to be extended generally to all valves operated by the increase of the draft or the exhaust of steam with the aid of any suitable organ.
Instead of in the smoke-box the valve a controlling means.
2. An exhaustregulator .for locomotives comprising an exhaust-pipe, avalve pivoted therein, a branch pipe connected directly to the exhaust-pipe a valve-seat'therein, a valve in the branch pipe, means to hold the said valve in position on the valve-seat, and means extending through the exhaust pipe and branch pipe to connect the respective valves in the said pipes. V
' 3. An exhaust-regulator for locomotives comprising an exhaust-pipe, a valve located therein, a branch pipe connected to the exhaust-pipe'and provided with a valve-seat, a valve in thebranch pipe normally held closed by a spring, means to regulate the tension on I the spring and means extending through the branch pipe to connect the respective valves. In testimony whereof I affix my signature in presence of two witnesses.
OTTO HORENZ.
Witnesses: v
HERNANDO DE Soro, EMIL REISHELT.
US4521801A 1901-01-29 1901-01-29 Draft-regulator for locomotives Expired - Lifetime US702005A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479502A (en) * 1943-09-21 1949-08-16 Robert B Mcintosh Smoke box associated draft control apparatus
US5348449A (en) * 1992-11-19 1994-09-20 Lake Center Industries, Inc. Airflow regulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479502A (en) * 1943-09-21 1949-08-16 Robert B Mcintosh Smoke box associated draft control apparatus
US5348449A (en) * 1992-11-19 1994-09-20 Lake Center Industries, Inc. Airflow regulator

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