US514093A

US514093A - morrison

Info

Publication number: US514093A
Authority: US
Publication date: 1894-02-06
Anticipated expiration: 1911-02-06

Description

(Model.) 2 Sheets-s116815 1.

J. MORRISON. l

lINJEGTQR.

No. 514,093. .Patented Feb. 6, 1894.-

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No.v 514,093. Patfmfed Feb. 6, 11894.

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JAMES MORRISON, OFTORONTO, OANADA.

INJECTOR.

l SPECIFICATION forming part of LettersPatent No. 514,093, dated February 6, 1894.

Application led May 18, 1893. Serial No. 474,642. (Model) T a/ZZ whom it may concern,.-

Beit known that 1 J AMES MORRISON, of the city of Toronto, in theV county of York and Province of Ontario, Canada, have invented a certain new and useful Improvement in Injectors, of which the following is a specification.

My invention relates toan improvement upon what is known as the Hancock inspirator, and the object of the invention is to provide' simple and effective means by which the operating valves are controlled by a single lever, and it consists, in the peculiar construction, arrangement and combinations of parts hereinafter more particularly described and then definitely claimed.

In the accompanying drawings- Figure 1, is a sectional elevation of my improved injector with the steam valves closed. Fig. 2, is a similar view with the steam valves open. Fig. 3, is a detail showing the manner of connecting the steam valves to the sliding stem.

Referring now to the details of the drawings by letter, A represents a hand lever pivoted to the post B, the latter being secured to the casing B of the injector. The casing B is preferably made of two parts. b b connected together by the passage-ways N N. Each of these two parts b b is also divided into two parts, the divisions being formed by the valve seats H I-I, the latter being on the same plane with each other. Sliding over these valve seats H H are two valves F F which are secured by the pins G to the stem C, the latter passing through both parts b bof the injector and through the stufng box D andis pivotally connected to the hand lever A. On reference to Fig. 1, it will be noticed that when the valve in part bis centrally over the orifice I the other valve is set eccentrically over the orifice I in part h; thus allowing steam to pass through the orifice I before the oriceI is uncovered. The upper end of part b is arranged to receive fittings to connect with the steam supply while the lower end of said part b is the inlet for the water. The passage-way N which connects the parts b b is continued through into the lower end of part b and is turned upwardly and extends upto the bottom of the orifice I in valve seat H. At the lower end of part b is the outlet for the water and from this outlet is an annular projection n which extends nearly up to the orifice I. From the side of this same part b is the overflow M, which is arranged to be opened and closed by a valve L on the end of the sliding stem J which stem is connected to the lower end of the hand lever A.

The operation of my device is as follows: 6o The hand lever A is moved slightly outward sufficiently only to open the orifice I', allowing the steam to enter said orifice and pass .through the passage-way N to the overflow,

thus producing the necessary vacuum to lift the water into the injector. When the water is raised so far that it flows through the overflow, the hand leverA is moved to the end of its stroke, thereby moving the valve F from the orifice I, so as to admit steam and force 7c.y the water through said orifice, andl simultaneonsly the inward movement of the sliding stem J closeslthe overflow valve L, thus putting my injector into complete action by the movement of a single lever.

What I claim as new is- 1. In an injector, a two-part casing, a passage-way connecting said two parts, a slide valve in each of said parts arranged to open and close the steam ports, a slidingstem pass- 8cy ing through said two parts and having said valves secured thereto by pins projecting from their backs, a second stem passing into said injector and having a valve thereon to open and close the overflow, a post projecting from said casing between said stems, and a hand lever pivoted to said stems and post, whereby a single movement of said lever simultaneously moves all ot' said valves, substantially as described.

2. In an injector, a two-part casing, a passage-way connecting said two parts, a valve seat in each of said parts, a stem having two valves independently secured thereto on the Same plane with each other and adapted to 95 slide over said valve seats, the valves being so arranged that one is partly open while the other is shut, substantially as described.

3. In an injectpr, a two-part casing, a passage-way connecting said two parts, a valve roo seat in each of said parts arranged on the same plane with each other, a sliding stem extending through each of said parts, avalve in each of said parts, each of said valves secured to said stem and so arranged that one of them is partly open while the other is entirely shut, a second stem passing into said easing and arranged to open and close the overiow port, in combination with a hand le ver connected with and pivoted between said stems, whereby a single movement of said lever will simultaneously move all of said valves, substantially as described.

4. In an injector, a casing consisting of two parts ZJ b', a passage-way N connecting said two parts, a valve seat in each of said parts on the same plane with each other, a sliding stem passing into each of said parts and having valves secured thereto, arranged to open and close the orifices in said valve seats, a

In presence of JNO. BROWN, J. EDW. MAYBEE.