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1. (WO2018008294) DRAIN TRAP
PCT Biblio. Data
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Pub. No.:
WO/2018/008294
International Application No.:
PCT/JP2017/019861
Publication Date:
11.01.2018
International Filing Date:
29.05.2017
IPC:
F16T 1/22
(2006.01),
F16K 1/36
(2006.01),
F16K 1/38
(2006.01),
F16K 1/42
(2006.01),
F16K 1/52
(2006.01),
F16K 47/02
(2006.01),
F16T 1/20
(2006.01)
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
T
STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
1
Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
20
with valves controlled by floats
22
of closed-hollow-body type
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
1
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
32
Details
34
Cutting-off parts
36
Valve members
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
1
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
32
Details
34
Cutting-off parts
36
Valve members
38
of conical shape
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
1
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
32
Details
34
Cutting-off parts
42
Valve seats
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
1
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
32
Details
52
Means for additional adjustment of the rate of flow
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
47
Means in valves for absorbing fluid energy
02
for preventing water-hammer or noise
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
T
STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
1
Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
20
with valves controlled by floats
Applicants:
TLV CO.,LTD.
[JP/JP]; 881 Nagasuna, Noguchicho, Kakogawa-shi, Hyogo 6758511 (JP)
Inventors:
ASAOKA Ken
; (JP)
Agent:
TERAZONO Kenichi
; (JP).
KAWABE Daisuke
; (JP)
Priority Data:
2016-134693
07.07.2016
JP
Title
(EN)
DRAIN TRAP
(FR)
SIPHON
(JA)
ドレントラップ
Abstract:
(EN)
This drain pipe 1 comprises: a reservoir 13; a discharge path 22 that communicates with the reservoir 13; an annular valve seat 25 provided protruding into the discharge path 22; a pressure chamber 36; a valve body 34 that has formed therein a pilot flow path 35 through which the drain of the reservoir 13 flows into the pressure chamber 36, and that advances and retreats in accordance with the pressure in the pressure chamber 36, thereby seating and unseating the valve body to and from the valve seat 25 from the upstream side thereof so as to open and close the discharge path 22; and a float 16 that is provided in the reservoir chamber 13, and that opens and closes an opening in the pilot flow path 35 in the valve body 34. The valve seat 25 has a seat surface 25a on the upstream side of a protruding end surface 25b. The valve body 34 has: a tapered part 34b that makes surface contact with the seat surface 25a; and a cylindrical part 34c which is formed on the downstream side of the tapered part 34b, and of which the opening surface area formed between the cylindrical part 34c and the protruding end surface 25b is smaller than the opening surface area formed between the seat surface 25a and the tapered part 34b when the valve body 34 is unseated.
(FR)
L'invention concerne un tuyau de drainage (1) comprenant : un réservoir (13) ; un trajet d'évacuation (22) qui communique avec le réservoir (13) ; un siège annulaire de soupape (25) qui fait saillie dans le trajet d'évacuation (22) ; une chambre de pression (36) ; un corps de soupape (34) dans lequel est formé un trajet d'écoulement pilote (35) à travers lequel le drain du réservoir (13) s'écoule dans la chambre de pression (36), et qui avance et recule en fonction de la pression dans la chambre de pression (36), ce qui permet d'appuyer et de retirer le corps de soupape sur et depuis le siège de soupape (25) depuis le côté amont de ce dernier de façon à ouvrir et à fermer le trajet d'évacuation (22) ; et un flotteur (16) qui est placé dans la chambre du réservoir (13) et qui ouvre et ferme une ouverture dans le trajet d'écoulement pilote (35) dans le corps de soupape (34). Le siège de soupape (25) a une surface de siège (25a) sur le côté amont d'une surface (25b) d'extrémité saillante. Le corps (34) de soupape comprend : une partie (34b) conique qui établit un contact de surface avec la surface (25a) de siège ; et une partie (34c) cylindrique qui est formée sur le côté aval de la partie (34b) conique, et dont la surface d'ouverture formée entre la partie (34c) cylindrique et la surface (25b) d'extrémité saillante est plus petite que la surface d'ouverture formée entre la surface (25a) de siège et la partie (34b) conique lorsque le corps (34) de soupape n'est pas en appui.
(JA)
ドレントラップ1は、貯留室13と、貯留室13に連通する排出路22と、排出路22に突出して設けられた環状の弁座25と、圧力室36と、貯留室13のドレンが圧力室36に流入するパイロット流路35が形成され、圧力室36の圧力に応じて進退し弁座25にその上流側から離着座して排出路22を開閉する弁体34と、貯留室13に設けられ、弁体34のパイロット流路35の開口を開閉するフロート16とを備える。弁座25は、突出端面25bの上流側にシート面25aを有する。弁体34は、シート面25aと面接触するテーパー部34bと、テーパー部34bの下流側に形成され、弁体34が離座したときに、突出端面25bとの間で形成される開口面積が、シート面25aとテーパー部34bとの間で形成される開口面積よりも小さくなる円柱部34cとを有する。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)