WO2011136674A1 - Appareil respiratoire - Google Patents

Appareil respiratoire Download PDF

Info

Publication number
WO2011136674A1
WO2011136674A1 PCT/RU2010/000190 RU2010000190W WO2011136674A1 WO 2011136674 A1 WO2011136674 A1 WO 2011136674A1 RU 2010000190 W RU2010000190 W RU 2010000190W WO 2011136674 A1 WO2011136674 A1 WO 2011136674A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
pulmonary
inlet valve
mask
membrane
Prior art date
Application number
PCT/RU2010/000190
Other languages
English (en)
Russian (ru)
Inventor
Виктор Борисович СЕМЕНОВ
Original Assignee
ПУСТЫННИКОВ, Сергей Сергеевич
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 ПУСТЫННИКОВ, Сергей Сергеевич filed Critical ПУСТЫННИКОВ, Сергей Сергеевич
Priority to PCT/RU2010/000190 priority Critical patent/WO2011136674A1/fr
Publication of WO2011136674A1 publication Critical patent/WO2011136674A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/02—Respiratory apparatus with compressed oxygen or air
    • A62B7/04—Respiratory apparatus with compressed oxygen or air and lung-controlled oxygen or air valves
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves
    • A62B9/022—Breathing demand regulators
    • A62B9/027—Breathing demand regulators pilot operated, i.e. controlled by valve means sensitive to a reduced downstream pressure

Definitions

  • the invention relates to livelihoods, and in particular to devices for protecting the respiratory and visual organs, a person from the harmful effects of breathless, toxic and smoky gas environment, and can be used, in particular, in the manufacture of breathing apparatus operating in compressed air with pneumatic controlled intake valve and overpressure under the mask.
  • a breathing apparatus with a valve controlled by the lungs disclosed in US Pat. No. 5,016,627 published 05/21/1991, containing a source of compressed gas, a pulmonary automaton comprising a housing with an inlet fitting, a cover sealed between the body and the cover a membrane, an inlet valve installed in the housing with the formation of a control chamber, the output of which is made in the form of an inlet valve seat, a control valve interacting with the inlet valve seat, a mask with a valve box .
  • the disadvantages of this breathing apparatus are the low speed of the pulmonary automaton, due to the significant reaction time of the pneumatically controlled inlet valve to the changing needs of the user in gas flow during various breathing modes, which makes it difficult to control the gas supply to the user and leads to increased breathing resistance; the need for the user to create negative pressure under the mask to turn on the pulmonary machine and the inability of the user to breathe from the atmosphere without undocking the lung machine with a mask.
  • the claimed invention is aimed at achieving the following technical results:
  • a pulmonary automaton comprising a housing with an inlet fitting, a cover, a membrane sealed between the housing and the cover, an inlet valve installed in the housing to form a control chamber, exit which is made in the form of an inlet valve seat, a control valve interacting with the inlet valve seat, a mask with a valve box and an exhalation valve, the membrane is ring-shaped with an external and internal corrugations and is installed with the possibility of axial movement in one direction with the inlet valve, and the control valve is rigidly connected to the membrane and installed coaxially with the inlet valve seat.
  • the lung machine can be additionally equipped with a shut-off valve
  • the valve box of the mask is equipped with an adapter with a lock and an emphasis for the shut-off valve
  • the pulmonary machine there are two pairs of grooves with a relative offset of 90 ° in the plane perpendicular to the axis of the pulmonary machine, as well as offset along the axis.
  • figure 1 shows a General view of the breathing apparatus with a pulmonary machine
  • figure 2 shows a mask with a pulmonary machine in the "off”position
  • Fig. 3 shows a mask with a pulmonary automatic machine in the “on” position
  • FIG. 11 the case of the pulmonary machine with a protrusion and grooves under the latch
  • the breathing apparatus includes a source of compressed gas, for example, a cylinder with a reducer (not shown), a mask 1 with a valve box 2 in which a spring-loaded exhalation valve 3 is installed, a pulmonary automaton 4 connected to the valve box on one side through an adapter 5 with a retainer 6, and on the other hand, through the inlet fitting 7 with a source of compressed gas.
  • the lung machine consists of a housing 8, a cover 9 and a membrane 10 sealed between them, a valve block body 11 with a seat 12 made therein under the inlet valve 13 and a seat 14 under the shut-off valve 15.
  • the inlet valve 13 is made in the form of a piston with a diameter D with a stem diameter d, movably mounted in the sleeve 16 with the formation of the control chamber 17, which through the channel 18 is connected on one side through the nozzle 19 with a cavity for supplying compressed gas, and on the other hand through a saddle 20 with a supmembrane cavity associated with the lungs of the user.
  • the inlet valve 13 is installed coaxially with the shutoff valve 15 and the control valve 22 with the possibility of axial movement and contacting on the one hand through the seal 23 with the seat 12, and on the other hand through the seat 20 with the control valve 22.
  • the size of the seat 12 is less than the effective area the inlet valve 13, formed by the difference in diameters D and d from the side of the chamber 17.
  • the membrane 10, which separates the cavity of the pulmonary automaton associated with the lungs of the user, from the environment, is made ring-shaped with external and internal corrugations, and is tightly fixed between the housing 8 and the cover 9 with the possibility of movement together with the control valve 22 mounted on it in the same direction with the inlet valve 13.
  • the shutoff valve 15 is made in the form of a rod on one side having a seal 24 in contact with the seat 14, and with the other side connected to the piston 25, hermetically installed in the valve block body 11 with the possibility of axial movement under pressure from the source of compressed gas.
  • a movable mechanical seal 26 is attached to the piston 25, hermetically mounted in the housing 8 with the possibility of axial movement and contacting with a stop 27 made in the adapter 5.
  • a spring clip b is installed in the adapter 5, which, when the docking engages with grooves made in the outlet fitting of the housing 8.
  • the grooves in the outlet fitting of the housing 8 are made in pairs with a 90 ° offset relative to each other in the plane perpendicular to the axis of the lung machine That, as well as with displacement along the axis of the pulmonary machine.
  • the first pair of grooves is designed to fix the pulmonary automaton 4 in the “off” position and has a groove size equal to the diameter of the wire from which the latch is made 6.
  • the second pair of grooves is designed to fix the pulmonary automaton 4 in the “on” position and has a groove size larger than the diameter of the wire from which the latch is made by an amount that makes it possible to additionally move the pulmonary automaton 4 in the forced feed mode.
  • the adapter 5 is hermetically installed in the valve box 2 through the seal 28, while additional channels 29 are made in the adapter body to connect the cavity associated with the user's lungs with the environment.
  • the breathing apparatus operates as follows.
  • the compressed gas When the source of compressed gas is turned on when the pulmonary machine 4 is not docked with a mask, the compressed gas enters the piston 25 through the inlet 7 and moves it until the seal 24 is seated on the seat 14. In this case, the access of the compressed gas to the inlet valve 13 is automatically blocked.
  • the compressed gas through the seat 12 and the seat 20 enters the supramembrane cavity.
  • the pressure in the supra-membrane cavity increases and due to the pressure differential between the supra-membrane cavity and the surrounding medium, the membrane 10 moves until the control valve 22 mounted on it contacts the inlet valve seat 20.
  • the overpressure in the suprasembrane cavity is determined by the force necessary to keep the control in the closed position valve 22 at a working gas pressure in the chamber 17.
  • the pressure in the chamber 17 through the nozzle 19 is equalized to the value of the working pressure at the entrance to the pulmonary machine.
  • the membrane 10 When breathing in, the pressure in the supramembrane cavity decreases, the membrane 10 under the influence of environmental pressure and due to the force generated by the compressed gas from the side of the chamber 17 to the control valve 22, begins to move along the axis of the pulmonary machine and the control valve 22 comes out of contact with the seat 20 of the intake valve 13. Due to the the nozzle section 19 is much smaller than the passage section of the seat 20, the pressure in the chamber 17 decreases and the inlet valve 13 begins to move along the axis of the pulmonary machine, coming out of contact with the seat 12 and opening up gas access to the user.
  • the movement of the control valve 22 relative to the seat 20 occurs until the start of the movement of the inlet valve 13, and the magnitude of this movement is minimally necessary regardless of the amount of movement of the inlet valve 13 in the entire range of pulmonary ventilation .
  • This can significantly reduce the reaction time of the intake valve 13 to a change in the required gas flow rate in various breathing modes created by the user during operation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

L'invention concerne des moyens pour assurer les activités vitales et notamment pour protéger les organes respiratoires et les yeux de la personne contre l'action néfaste d'un milieu gazeux toxique, enfumé ou nuisible à la santé. Cet appareil respiratoire comprend une source de gaz comprimé, un détendeur (4) comprenant un corps (8) avec une tubulure d'admission (7), un couvercle (9), une membrane (10) montée étanche entre le corps et le couvercle, une soupape d'admission (13) montée dans le corps de façon à former une chambre de commande (17) dont la sortie se présente comme un siège de soupape (14), une soupape de commande interagissant avec le siège de la soupape d'admission, et un masque (1) avec une boîte à soupapes et une soupape d'expiration; la membrane a une forme annulaire et comporte des gaufrage interne et externe; elle est monté de manière à pouvoir se déplacer axialement dans la même direction que la soupape d'admission.
PCT/RU2010/000190 2010-04-19 2010-04-19 Appareil respiratoire WO2011136674A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2010/000190 WO2011136674A1 (fr) 2010-04-19 2010-04-19 Appareil respiratoire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2010/000190 WO2011136674A1 (fr) 2010-04-19 2010-04-19 Appareil respiratoire

Publications (1)

Publication Number Publication Date
WO2011136674A1 true WO2011136674A1 (fr) 2011-11-03

Family

ID=43347928

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2010/000190 WO2011136674A1 (fr) 2010-04-19 2010-04-19 Appareil respiratoire

Country Status (1)

Country Link
WO (1) WO2011136674A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015027390A1 (fr) 2013-08-27 2015-03-05 Honeywell International Inc. Mécanisme d'entrée d'air frais pour masque facial utilisé sur un appareil respiratoire autonome à air comprimé à circuit ouvert

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757652A (en) * 1953-06-16 1956-09-19 Scott Aviation Corp Improvements in or relating to breathing apparatus
FR2192461A5 (fr) * 1972-07-07 1974-02-08 Mandet Sa
GB2153689A (en) * 1981-10-29 1985-08-29 Raymond Anthony Christianson Improved pilot controlled regulator second stage
US5016627A (en) 1988-11-28 1991-05-21 Auergesellschaft Gmbh Lung-governed valve
US5464009A (en) 1993-02-01 1995-11-07 Sabre Safety Limited Valve for use in breathing apparatus
US6394091B1 (en) 1996-06-05 2002-05-28 Scott Technologies, Inc. Breathing apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757652A (en) * 1953-06-16 1956-09-19 Scott Aviation Corp Improvements in or relating to breathing apparatus
FR2192461A5 (fr) * 1972-07-07 1974-02-08 Mandet Sa
GB2153689A (en) * 1981-10-29 1985-08-29 Raymond Anthony Christianson Improved pilot controlled regulator second stage
US5016627A (en) 1988-11-28 1991-05-21 Auergesellschaft Gmbh Lung-governed valve
US5464009A (en) 1993-02-01 1995-11-07 Sabre Safety Limited Valve for use in breathing apparatus
US6394091B1 (en) 1996-06-05 2002-05-28 Scott Technologies, Inc. Breathing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015027390A1 (fr) 2013-08-27 2015-03-05 Honeywell International Inc. Mécanisme d'entrée d'air frais pour masque facial utilisé sur un appareil respiratoire autonome à air comprimé à circuit ouvert
CN105682750A (zh) * 2013-08-27 2016-06-15 霍尼韦尔国际公司 使用在自给式开环压缩空气呼吸设备上的面罩的新鲜空气口机构
EP3038716A4 (fr) * 2013-08-27 2017-04-12 Honeywell International Inc. Mécanisme d'entrée d'air frais pour masque facial utilisé sur un appareil respiratoire autonome à air comprimé à circuit ouvert
CN105682750B (zh) * 2013-08-27 2019-03-01 霍尼韦尔国际公司 使用在自给式开环压缩空气呼吸设备上的面罩的新鲜空气口机构

Similar Documents

Publication Publication Date Title
JP6290930B2 (ja) 清浄空気吸入室を有する呼吸用マスク
US10441826B2 (en) Airflow control valve
JP5678875B2 (ja) ガス調整弁とそれを備えた呼吸補助装置
US20100101575A1 (en) Method and apparatus for ventilation assistance
JP2008539841A5 (fr)
US20070283951A1 (en) Mask-nebulizer assembly
US4167184A (en) Lung-venting apparatus
US3426794A (en) Control apparatus for breathing apparatus
RU2417806C1 (ru) Дыхательный аппарат
US6681766B1 (en) Regulator for diving
US6718976B1 (en) Regulator for diving
JP2019516429A (ja) レスピレータ適合チェック密封デバイス及び方法
WO2011136674A1 (fr) Appareil respiratoire
RU2555608C1 (ru) Дыхательный аппарат
RU2555562C2 (ru) Дыхательный аппарат
US2273790A (en) Mechanical resuscitator for combating asphyxia
CN218923505U (zh) 一种呼吸阀
US8739791B2 (en) Pressure regulator valve for breathing apparatus
CN219354952U (zh) 通气系统及呼吸机
US20210283354A1 (en) Manual resuscitator, ventilation control assembly, and method of use
CN113226486B (zh) 用于呼吸装置压力调节器的旁通旋钮
CN213313020U (zh) 带空气旁通阀的面罩
CN111632294B (zh) 带空气旁通阀的面罩和用该面罩的送风呼吸装置
RU2177812C1 (ru) Дыхательный аппарат
SU1703135A1 (ru) Легочный автомат изолирующего дыхательного аппарата

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 2010129380

Country of ref document: RU

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10737128

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10737128

Country of ref document: EP

Kind code of ref document: A1