US1673619A - Exhaust trap and valve therefor - Google Patents

Exhaust trap and valve therefor Download PDF

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Publication number
US1673619A
US1673619A US22913327A US1673619A US 1673619 A US1673619 A US 1673619A US 22913327 A US22913327 A US 22913327A US 1673619 A US1673619 A US 1673619A
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Prior art keywords
valve
port
flanges
exhaust trap
trap
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Expired - Lifetime
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Arthur J Culp
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Individual
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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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7898—Pivoted valves

Definitions

  • a further object of the invention 1s to provide an exhaust trap of the character-stated which shall embody a valve associated with the discharge port and adapted to quickly open'to permit a charge of gas to escape from the trap and adapted to quickly close to prevent air entering the trap.
  • a still further object of the invention is to provide an exhaust trap of the character stated which shall embody novel means for mounting the valve and novel means for yieldingly maintaining the valve seated.
  • Figure 1 is a sectional View taken on a vertical plane extending centrally and longitudinally through the exhaust trap.
  • Figure 2 is a sectional view taken on the vertical plane indicated by Figure 1.
  • Figure 4. is a sectional view taken on the vertical plane indicated by the line 4-4 ofv Figure 2.
  • the exhaust trap comprises a cylinder 1 which has its end wall 2 provided with an intake port 3 and its end wall 4 with a discharge port 5 and within which are arranged bafiie plates 6.
  • a gastight connection between the cylinder 1 and pipe 7 is established by a packing gland 8.
  • the end wall 2 may be formed integrally with the side wall 9 of the cylinder 1, as shown.
  • the end wall 4 is made separately from the side wall 9, and it is secured by machine screws 10 to an annular flange 11 extending inwardly from the side walls.
  • An asbestos gasket 12 is positioned between the end wall 4 and the flangell, and it is secured in place by the screws 10.
  • the end wall 4 the line 2-2 of is'provided in its outer side with a recess 13, and it is provided at opposite sides of the recess with outwardly directed flanges 14.
  • a metal plate 15 which constitutes a valve seat, is securedwithin the recess 13 by certain of the screws 10, and is provided with an opening 16 registering with the discharge port 5.
  • a valve 18 positioned between the flanges 14 and pivoted to the flanges by trunnions 19, is straight-and flat and lies in full abutting contact with the seat 15 when closed.
  • the trunnions 19 project laterally from flanges 20 on the valve 18 and are rotatably and slidably mounted in the slots 17.
  • the flanges 20 extend outwardlyfrom the valve 18, and they also extend beyond the pivoted end of the valve.
  • the flanges 20 are connected by a bar 21, and are provided with inclined inner edges 22 in order to permit the valve 18 to be rocked into opened position.
  • a U-shaped pressure bar 23 is positioned between the valve 18 and a yoke 24 secured to the end wall 4 by machine screws 25.
  • the side members 26 of the pressure bar 23 are slidably mountedin theslots 17,
  • a leaf spring 28 which is secured to the cross member 29 of the pressure bar 23 by a machine screw 30, contacts withthe corresponding member 31 of the yoke 24.
  • the side members 32 of the yoke 24 areqpositioned laterally beyond the flanges 14, and are provided with apertured lugs 33 for the reception of the screws 25.
  • a cap or housing 34 is provided'for the valve 18 and the parts associated therewith.
  • the cap 34 is secured in place by the screws 10, and an asbestos gasket 35 is positioned between the cap and end wall 4.
  • the cap 34 is preferably of cylindrical formation, and is provided in its side wall with a circumferentially extending discharge port or slot 36.
  • the exhaust gases flow from the cylinders of the engine to the cylinder 1 of the exhaust trap by way of the pipe 7. WVhen the pressure in the cylinder 1 becomes greater than the power of the spring 28, the valve 15 opens and the gases enter the cap 34 from which they pass by way of the port 36. As soon as the pressure in the cylinder 1 becomes less than the power of the spring 28, the valve is again closed, with the result that air is excluded from the cylinder 1 and no back pressure occurs; in the cylinders of the engine. During its lnitial opening movement, the valve 18 moves bodily outward, and during the remainder of its opening movement, the valve rocks on its trunnions 19 until the edges 22 of the flanges 20 contact with the valve seat 15. The bodily outward movement of the valve 18 tensions the spring 28-sutficiently to in sure the rapid closing of the valve when the pressure in the cylinder 1 becomes less than the power of these springs.
  • the valve seat 15 is preferably made from softcopper. Due thereto and as the valve 18 closes fiat against the seat 15, all air is excluded from the cylinder 1.
  • the valve 18, the pressure bar 23 and the yoke 24 may be easily and quickly assembled on the endwall 4: and may be easily and quickly remo'ved therefrom when necessary to clean the valve and its seat 15.
  • the valve seat 15 may also be easily and quickly renewed, and as it is made of soft copper it prevents the chattering of thevalve 18.
  • valve is shown and described in connection with a particular type of exhaust trap, which trap consists of the cylinder 1 and baflles6, it is to be understood that the valve may be used in connection with any well known form of exhaust" trap and particularly those shown in my U. S. Letters Patent No. 1,514,4Q41, granted Nov, 4;, 1924, my applicationfiled May23, 1925, serially numbered 32,365, andallowed; Sept. 17, 1927, and my'application filed January19, 1926, and serially numbered 82,312. H 7
  • amember provided with a port, flanges carried by the member at opposite sides of the port and provided withslots, a valve for the port and provided with trunnions slidably androtatably positioned in the slots of the flanges, and means yieldingly holding the valve in closed position and preventing displacement of the trunnions from the slots. 7 s n 2.
  • a member provided with a port, fiangescarried by the member at opposite sides of the port and provided with slots, a valvefor the port and provided with trunnions slidably and rotatably mounted in the slots, a pressure bar slidably mounted in the slots and contacting with the trunnions,and means engaging the pressure bar to yieldingly hold the valve in closed posi- .1
  • a member provided with a port, flanges carried by the member with slots, a valvefor the port and provided with trunnions slidably and rotatablyfmounted in the slots, a yoke secured tothe member, apressure bar slidably mounted in theslots with slot-s, a valve for the'port provided with trunnions slidably and rotatably mounted in tl16.SlOtS,- '2.I1Cl means preventing displacement of the trunnions fromthe slots, said means including a yieldable element serving.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Silencers (AREA)

Description

June 12, 192 8.
A. J. CULP EXHAUST TRAP AND VALVE THEREFOR F iled Oct. 27, 1927 Patented June 12, 1928.
UNITED STATES ARTHUR J. GULF, OF CLANTON, ALABAMA.
EXHAUST TRAP Ann ALVE THEREFOR.
Application filed October 27, 1927. Serial No. 229,133.
prevent any back pressure in the cylinders of the engine when the exhaust valves thereof are opened.
A further object of the invention 1s to provide an exhaust trap of the character-stated which shall embody a valve associated with the discharge port and adapted to quickly open'to permit a charge of gas to escape from the trap and adapted to quickly close to prevent air entering the trap.
A still further object of the invention is to provide an exhaust trap of the character stated which shall embody novel means for mounting the valve and novel means for yieldingly maintaining the valve seated. lVith the foregoing and other objects in view, the nature of which will appear as the description proceeds, the invention conslsts of the construction, combination and arrangement of parts hereinafter fully de scribed and claimed, and illustrated in the accompanying drawing, wherein:
Figure 1 is a sectional View taken on a vertical plane extending centrally and longitudinally through the exhaust trap.
Figure 2 is a sectional view taken on the vertical plane indicated by Figure 1.
-Figure 3 is a sectionalview taken on a horizontal plane indicated by thellne 33 of Figure 2, and
Figure 4.is a sectional view taken on the vertical plane indicated by the line 4-4 ofv Figure 2.
The exhaust trap comprises a cylinder 1 which has its end wall 2 provided with an intake port 3 and its end wall 4 with a discharge port 5 and within which are arranged bafiie plates 6. A pipe 7 extending from the exhaust manifold of a hydrocarbon engine, not shown, enters the intake port 3. A gastight connection between the cylinder 1 and pipe 7 is established by a packing gland 8. The end wall 2 may be formed integrally with the side wall 9 of the cylinder 1, as shown. The end wall 4 is made separately from the side wall 9, and it is secured by machine screws 10 to an annular flange 11 extending inwardly from the side walls. An asbestos gasket 12 is positioned between the end wall 4 and the flangell, and it is secured in place by the screws 10. The end wall 4 the line 2-2 of is'provided in its outer side with a recess 13, and it is provided at opposite sides of the recess with outwardly directed flanges 14. A metal plate 15 which constitutes a valve seat, is securedwithin the recess 13 by certain of the screws 10, and is provided with an opening 16 registering with the discharge port 5. The 'flanges 14-are provided with slots 17 which extend in the direction of the axis of the cylinder 1 and which open out through the outer edges of the flanges. A valve 18 positioned between the flanges 14 and pivoted to the flanges by trunnions 19, is straight-and flat and lies in full abutting contact with the seat 15 when closed. The trunnions 19 project laterally from flanges 20 on the valve 18 and are rotatably and slidably mounted in the slots 17. The flanges 20 extend outwardlyfrom the valve 18, and they also extend beyond the pivoted end of the valve. The flanges 20 are connected by a bar 21, and are provided with inclined inner edges 22 in order to permit the valve 18 to be rocked into opened position. A U-shaped pressure bar 23 is positioned between the valve 18 and a yoke 24 secured to the end wall 4 by machine screws 25. The side members 26 of the pressure bar 23 are slidably mountedin theslots 17,
andthey are provided in their inner or free ends wth recesses 27 for the reception of the trunnions 19. A leaf spring 28 which is secured to the cross member 29 of the pressure bar 23 by a machine screw 30, contacts withthe corresponding member 31 of the yoke 24. The side members 32 of the yoke 24 areqpositioned laterally beyond the flanges 14, and are provided with apertured lugs 33 for the reception of the screws 25.
A cap or housing 34 is provided'for the valve 18 and the parts associated therewith. The cap 34 is secured in place by the screws 10, and an asbestos gasket 35 is positioned between the cap and end wall 4. The cap 34 is preferably of cylindrical formation, and is provided in its side wall with a circumferentially extending discharge port or slot 36.
In practice, the exhaust gases flow from the cylinders of the engine to the cylinder 1 of the exhaust trap by way of the pipe 7. WVhen the pressure in the cylinder 1 becomes greater than the power of the spring 28, the valve 15 opens and the gases enter the cap 34 from which they pass by way of the port 36. As soon as the pressure in the cylinder 1 becomes less than the power of the spring 28, the valve is again closed, with the result that air is excluded from the cylinder 1 and no back pressure occurs; in the cylinders of the engine. During its lnitial opening movement, the valve 18 moves bodily outward, and during the remainder of its opening movement, the valve rocks on its trunnions 19 until the edges 22 of the flanges 20 contact with the valve seat 15. The bodily outward movement of the valve 18 tensions the spring 28-sutficiently to in sure the rapid closing of the valve when the pressure in the cylinder 1 becomes less than the power of these springs. p v
The valve seat 15 is preferably made from softcopper. Due thereto and as the valve 18 closes fiat against the seat 15, all air is excluded from the cylinder 1. The valve 18, the pressure bar 23 and the yoke 24 may be easily and quickly assembled on the endwall 4: and may be easily and quickly remo'ved therefrom when necessary to clean the valve and its seat 15. The valve seat 15 may also be easily and quickly renewed, and as it is made of soft copper it prevents the chattering of thevalve 18.
While the valve is shown and described in connection with a particular type of exhaust trap, which trap consists of the cylinder 1 and baflles6, it is to be understood that the valve may be used in connection with any well known form of exhaust" trap and particularly those shown in my U. S. Letters Patent No. 1,514,4Q41, granted Nov, 4;, 1924, my applicationfiled May23, 1925, serially numbered 32,365, andallowed; Sept. 17, 1927, and my'application filed January19, 1926, and serially numbered 82,312. H 7
From the foregoing description, taken in connection with the accompanying drawing, the advantages of the construction and of the method of operation of the exhaust trap will be readily apparent to those skilled in the art towhich the sameappertains. 'While I have described the principle of operation of the exhaust trap, together with the structure which I n'owconside'r tobethe best embodiment thereof, I desire to haveit understood that the structure shown is merely illustrative, and that such changes may be made when desired as arewithin the scope of the invention as claimed.
.1. In combination, amember provided with a port, flanges carried by the member at opposite sides of the port and provided withslots, a valve for the port and provided with trunnions slidably androtatably positioned in the slots of the flanges, and means yieldingly holding the valve in closed position and preventing displacement of the trunnions from the slots. 7 s n 2. In combination, a member provided with a port, fiangescarried by the member at opposite sides of the port and provided with slots, a valvefor the port and provided with trunnions slidably and rotatably mounted in the slots, a pressure bar slidably mounted in the slots and contacting with the trunnions,and means engaging the pressure bar to yieldingly hold the valve in closed posi- .1
In combination, a member provided with a port, flanges carried by the member with slots, a valvefor the port and provided with trunnions slidably and rotatablyfmounted in the slots, a yoke secured tothe member, apressure bar slidably mounted in theslots with slot-s, a valve for the'port provided with trunnions slidably and rotatably mounted in tl16.SlOtS,- '2.I1Cl means preventing displacement of the trunnions fromthe slots, said means including a yieldable element serving.
to normally hold the valve in closed position.. V
In testimonywhereof I afi'o; my signature.
ARTHUR J. core 75 atopposite sides of the port and provided
US22913327 1927-10-27 1927-10-27 Exhaust trap and valve therefor Expired - Lifetime US1673619A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106985A (en) * 1960-12-05 1963-10-15 Kenneth J Recupito Muffler apparatus
US3473626A (en) * 1966-08-30 1969-10-21 Nippon Denso Co Air escape valve for controlling air compressor output pressure
US20080185219A1 (en) * 2007-02-02 2008-08-07 Officepower, Llc Exhaust Silencer for Microturbines
US20100078083A1 (en) * 2008-10-01 2010-04-01 Gabe Coscarella Low profile backwater valve
US20130058723A1 (en) * 2011-09-07 2013-03-07 Hazard Mitigation, Inc. Apparatus and Method for Limiting Ice Formation
US9097363B2 (en) 2010-08-20 2015-08-04 Gabe Coscarella Low profile backwater valve with lock
US9863134B2 (en) 2010-11-16 2018-01-09 Gabe Coscarella Backwater valve with control linkage
US9903106B2 (en) 2013-10-21 2018-02-27 Gabe Coscarella Low profile overbalanced backwater valve

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106985A (en) * 1960-12-05 1963-10-15 Kenneth J Recupito Muffler apparatus
US3473626A (en) * 1966-08-30 1969-10-21 Nippon Denso Co Air escape valve for controlling air compressor output pressure
US7980357B2 (en) * 2007-02-02 2011-07-19 Officepower, Inc. Exhaust silencer for microturbines
US20080185219A1 (en) * 2007-02-02 2008-08-07 Officepower, Llc Exhaust Silencer for Microturbines
US8578961B2 (en) * 2008-10-01 2013-11-12 Gabe Coscarella Low profile backwater valve
US20100078083A1 (en) * 2008-10-01 2010-04-01 Gabe Coscarella Low profile backwater valve
US9097363B2 (en) 2010-08-20 2015-08-04 Gabe Coscarella Low profile backwater valve with lock
US9863134B2 (en) 2010-11-16 2018-01-09 Gabe Coscarella Backwater valve with control linkage
US20180094417A1 (en) * 2010-11-16 2018-04-05 Gabe Coscarella Backwater valve with control linkage
US10458112B2 (en) * 2010-11-16 2019-10-29 Gabe Coscarella Backwater valve with control linkage
US11346097B2 (en) * 2010-11-16 2022-05-31 Gabe Coscarella Backwater valve with control linkage
US20130058723A1 (en) * 2011-09-07 2013-03-07 Hazard Mitigation, Inc. Apparatus and Method for Limiting Ice Formation
US8920071B2 (en) * 2011-09-07 2014-12-30 Hazard Mitigation, Inc. Apparatus and method for limiting ice formation
US9903106B2 (en) 2013-10-21 2018-02-27 Gabe Coscarella Low profile overbalanced backwater valve

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