WO2021133296A1 - Système de régulation de pression de pneumatique - Google Patents

Système de régulation de pression de pneumatique Download PDF

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Publication number
WO2021133296A1
WO2021133296A1 PCT/TR2020/050939 TR2020050939W WO2021133296A1 WO 2021133296 A1 WO2021133296 A1 WO 2021133296A1 TR 2020050939 W TR2020050939 W TR 2020050939W WO 2021133296 A1 WO2021133296 A1 WO 2021133296A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylindrical part
air
pump
tyre
pressure
Prior art date
Application number
PCT/TR2020/050939
Other languages
English (en)
Inventor
Orhan Cicek
Metin SANCAR
Original Assignee
Turkiye'nin Otomobili Girisim Grubu Sanayi Ve Ticaret A.S.
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 Turkiye'nin Otomobili Girisim Grubu Sanayi Ve Ticaret A.S. filed Critical Turkiye'nin Otomobili Girisim Grubu Sanayi Ve Ticaret A.S.
Publication of WO2021133296A1 publication Critical patent/WO2021133296A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/10—Arrangement of tyre-inflating pumps mounted on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
    • B60C23/003—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
    • B60C23/00305—Wheel circumventing supply lines, e.g. not through or about the axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
    • B60C23/003—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
    • B60C23/00345—Details of the rotational joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
    • B60G3/04—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/142—Independent suspensions with lateral arms with a single lateral arm, e.g. MacPherson type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/20—Mounting of accessories, e.g. pump, compressor
    • B60G2204/202—Mounting of accessories, e.g. pump, compressor of cables
    • B60G2204/2022—Mounting of accessories, e.g. pump, compressor of cables using a suspension element (e.g. link, damper or spring) as part of the electrical circuitry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/50—Pressure
    • B60G2400/52—Pressure in tyre

Definitions

  • the present invention relates to a tyre pressure regulation system which brings tyre pressures decreasing for various reasons in vehicle tyres automatically to a required level.
  • the Chinese patent document no. CN103879242 discloses an automatic vehicle tyre inflation system which does not require an external power source and has a simple structure.
  • the inflation system comprises a pumping device which is disposed between a back suspension of the vehicle and a vehicle body and pumped through compression of the back suspension; a gas storage device which is connected to the pumping device so as to storage the gas pumped by the pumping device; a pumping valve which is disposed between the pumping device and the gas storage device so as to allow the pumping device to inflate the gas storage device; a first overflow valve which is connected so as to prevent the pressure in the gas storage device from exceeding a preset pressure; a tyre which is connected to the gas storage device; an electromagnetic valve which is disposed between the gas storage device and the tyre so as to control the connection and disconnection between the gas storage device and the tyre; a solenoid cover so as to provide inflation into the tyre; a wheel valve which is placed between a wheel valve which is placed
  • the pumping device of the automatic inflation system is disposed between the vehicle body and the rear suspension and it has the capability to convert the impact energy into the driving force required for recovery and pumping thereof and to ensure driving safety.
  • the piston compresses the gas inside the cylinder and the compressed gas is stored in the gas storage device.
  • the system also has a first pressure sensor so as to detect the pressure in the gas storage device and a second pressure sensor so as to detect the pressure inside the tyre.
  • the second pressure sensor enables gas transmission from the gas storage device to the tyre and inflation of the tyre when it detects that the pressure inside the tyre is lower than the predetermined pressure of the tyre.
  • the automatic inflation system also comprises an air box with rotary pressure which is disposed between the solenoid valve and the wheel valve. High-pressure gas passes through the gas storage device, the tube and the solenoid valve, the wheel hub and it flows into the air box with rotary pressure. And it enables inflation of the tyre by progressing to the inflation hole located inside the hub from here.
  • the International patent document no. W02012015504 discloses a motion-driven compression system which compresses air by using the vertical motion of a vehicle in motion and thus pumps air to tyres.
  • vehicles When vehicles are driven, they are subjected to vertical motion due to the unevenness of the ground over which they travel and they can use this motion to compress air.
  • the compressed air may then be used to power various subsystems such as air conditioning systems, air inflation systems, engine support systems, access systems, interior comfort systems, disability systems, pneumatic systems, fluid systems, electrical systems, large vehicle systems, external discharge systems, and driver assist systems.
  • a vehicle having a compression system includes a body, tyres, a motion-driven air compressor, an air storage enclosure, air lines moving the compressed air into the air storage enclosure, a controller, and vehicle subsystems.
  • the motion-driven air compressor may be used in trucks, recreational vehicles (RV), vans, sport utility vehicles (SUV), tractors, motorcycles, watercraft, aircraft, locomotives, and other such vehicles in addition to cars.
  • the motion-driven air compressor includes a cylinder, a piston, a shaft, a lower shaft and an upper shaft, intake nozzles, and outflow nozzles.
  • the cylinder defines a chamber and this chamber is divided by the piston into a lower chamber and an upper chamber.
  • Air intake and outflow nozzles include one-way valves.
  • the one-way valves only allow air to travel in a single direction.
  • the intake nozzles only allow air to flow into the cylinder, while the outflow nozzles only allow air, above a certain pressure, to flow out of the cylinder.
  • the compressed air leaving the outflow nozzles travels through the air lines into the air storage enclosure.
  • the vehicle subsystem controller may receive signals from the vehicle subsystems and all other electronic devices. The controller responds to a signal from a vehicle subsystem to open or close an appropriate valve.
  • the valve is opened until the vehicle tyre is inflated and the compressed air is released.
  • the subsystem sends a signal indicating the work is complete and the flow of air is cut off from the compressed air storage enclosure by closing the valve.
  • An objective of the present invention is to realize a system which enables to automatically detect pressure decreases occurring in vehicle tyres and to inflate these.
  • Another objective of the present invention is to realize a system which automatically pumps air into vehicle tyres by means of a compressed air distribution apparatus with a cylindrical shape and a rotary structure.
  • a further objective of the present invention is to realize a system which enables to inflate a vehicle tyre automatically depending on movement of a vehicle in a vertical direction relative to the ground or independently of this movement.
  • Figure 1 is a view showing the current state of a vehicle tyre and suspension system.
  • Figure 2 is a view showing that the pump is integrated into a function of the damper in the inventive system.
  • Figure 3 is a view showing that the pump integrated into the vehicle separately in the inventive system.
  • Figure 4 is a view showing that the pump driven by the rotary table is integrated into the rim inner surface in the inventive system.
  • Figure 5 is a front view of a compressed air distribution apparatus in the inventive system.
  • Figure 6 is a side view of a compressed air distribution apparatus in the inventive system.
  • Figure 7 is a cross-section of a front view of a compressed air distribution apparatus in the inventive system.
  • Figure 8 is a view showing states of the rotary table driving the pump before and after compressing the pump end and a case wherein multiple pump ends are used.
  • A Vehicle tyre and suspension system B: Damper (shock absorber)
  • the inventive tyre (F) pressure regulation system (1) for bringing pressure of vehicle tyres (F) automatically to a required value when this pressure is lower than a required pressure value comprises:
  • At least one pump (2) which is configured to supply the air necessary for increasing the pressure to low-pressure vehicle tyres (F);
  • a compressed air distribution apparatus (3) which is configured to store the air pumped by means of the pump (2);
  • At least one first air transfer pipe (4) which conveys the pumped air from the pump (2) to the compressed air distribution apparatus (3) in order to be stored;
  • At least one second air transfer pipe (5) which conveys the stored air from the compressed air distribution apparatus (3) to the valve (G) of the tyre (F) in order to bring the tyre pressure to a required pressure value.
  • the pump (2) included in the inventive system (1) can be integrated into the damper (B), a function of the damper (B) (the coil spring (C), the damper pole (D), the hub (E)) in the vehicle tyre and suspension system (A) separately and thereby it sucks the air from outside and pumps it by means of the motion occurring in almost vertical direction with respect to the road where the vehicle travels, in the suspension while the vehicle passes through uneven, rough roads such as bumps or potholes en route.
  • the damper (B) the coil spring (C), the damper pole (D), the hub (E)
  • the inventive tyre (F) pressure regulation system (1) also comprises at least one drive apparatus (2.1) which is positioned movably such that it will drive the pump (2).
  • the said drive apparatus (2.1) triggers the pump (2) by moving if it is detected that the vehicle tyre (F) pressure is lower than a required value when the vehicle travels on a straight road and the pump (2) is enabled to supply the air required to bring the tyre (F) pressure to a normal value.
  • the drive apparatus (2.1) has a cylindrical structure and at least one protrusion (2.1.1) is located on this structure surface.
  • the drive apparatus (2.1) is disposed on the wheel’s rim inner surface (H) and configured to be rotated at a wheel rotation speed or a different speed than the wheel rotation speed by means of any drive system for example such as electric motor.
  • the drive apparatus (2.1) enables the pump (2) to pump air by compressing the pump (2) when at least one protrusion (2.1.1) located on its surface contacts the end of the pump (2) while it is rotated and no pumping is performed because the end of the pump (2) is released in case where the protrusion (2.1.1) does not contact the end of the pump (2) ( Figure 8).
  • the compressed air distribution apparatus (3) included in the inventive system (1) stores the air that is needed to inflate the tyre (F), so as to be used when the tyre (F) pressure has a value lower than the required pressure value.
  • the compressed air distribution apparatus (3) is configured to ensure that the stored air can be conveyed between the pump (2) and the valve (G) by the shortest route possible.
  • the need for passing the pipes -that are used to convey air to the tyre (F)- through the hub (E) structure, transferring these to the wheel hub and then being connected to the valve (G) from there is eliminated with the compressed air distribution apparatus (3).
  • the compressed air distribution apparatus (3) also eliminates the need for manufacturing the hub (E) in a structure suitable for passage of pipe from inside thereof, to convey the pumped air to the valve (G).
  • the compressed air distribution apparatus (3) is disposed on the hub (E).
  • the compressed air distribution apparatus (3) has a cylindrical structure and comprises a first cylindrical part (3.1) and a second cylindrical part (3.2) that are interlocked, at least one sealing member (3.3) that prevents leak between the first cylindrical part (3.1) and the second cylindrical part (3.2), and at least one air duct (3.4) that allows the air received from the pump (2) to pass from the first cylindrical part (3.1) to the second cylindrical part (3.2).
  • the first cylindrical part (3.1) has a cylindrical structure including a circular opening in its center.
  • the first cylindrical part (3.1) is preferably fixed onto the hub (E) such that it cannot move, and thereby prevented from performing any rotational motion.
  • the air supplied by the pump (2) upon operation of the pump (2) reaches the first cylindrical part (3.1) at first over the first air transfer pipe (4) when it is detected that the tyre pressure has a value less than the required pressure value.
  • the second cylindrical part (3.2) has a cylindrical structure including a circular opening in its center.
  • the diameter of the opening in the center of the second cylindrical part (3.2) has a value allowing the first cylindrical part (3.1) to be inserted into the second cylindrical part (3.2) and it has a value that is almost same with the external diameter of the first cylindrical part (3.1).
  • the first cylindrical part (3.1) is inserted into the second cylindrical part (3.2) by means of the said opening and the inner surface of the opening in the center of the second cylindrical part (3.2) and the outer surface of the first cylindrical part (3.1) contact each other.
  • the air in the first cylindrical part (3.1) is transmitted to the second cylindrical part (3.2) over the air duct (3.4) when it is detected that the tyre pressure has a value lower than a required pressure value.
  • the second cylindrical part (3.2) rotates synchronously to the rotation of the wheel. Thereby, it is avoided to have any relative motion between the second cylindrical part (3.2) and the valve (G).
  • the sealing member (3.3) is located at locations where the first cylindrical part (3.1) and the second cylindrical part (3.2) contact each other in order to prevent the air transmitted from the first cylindrical part (3.1) to the second cylindrical part (3.2) from leaking out.
  • the sealing member (3.3) preferably has a cord shape.
  • the air duct (3.4) is a channel which enables to send the air reaching the first cylindrical part (3.1) to the second cylindrical part (3.2) and extends between the first cylindrical part (3.1) to the second cylindrical part (3.2).
  • the first air transfer pipe (4) included in the inventive system (1) is positioned between the pump (2) and the first cylindrical part (3.1) in order to receive the air pumped by the pump (2) from the pump (2) and convey it to the first cylindrical part (3.1) of the compressed air distribution apparatus (3) following the operation of the pump (2) when it is detected that a decrease occurred in the tyre (F) pressure.
  • the second air transfer pipe (5) included in the inventive system (1) is positioned between the second cylindrical part (3.2) and the valve (G) in order to convey the air in the second cylindrical part (3.2) to the tyre (F) valve (G) when it is detected that a decrease occurred in the tyre (F) pressure.
  • the inventive system (1) enables to operate the pump (2) by detecting a pressure decrease in the vehicle tyre (F) by means of a sensor disposed onto the valve (G) and accordingly to convey the air pumped by the pump (2) to the valve (G) by passing over the first air transfer pipe (4), the first cylindrical part (3.1), the second cylindrical part (3.2) and the second air transfer pipe (5) and thereby to inflate the tyre (F) automatically.
  • the system (1) it is not necessary to go to an additional compressor, air tank or pumping stations to inflate the tyre (F).
  • the system (1) can be integrated into vehicles easily without making serious amendments in existing vehicle designs.
  • the pressure of the vehicle tyres when the pressure of the vehicle tyres has a value lower than a required pressure value, they can be automatically inflated by the motion occurring in almost vertical direction with respect to the road where the vehicle travels if the vehicle travels on a rough road or by a pump (2) that is driven by means of a drive system if the vehicle travels on a straight road.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

La présente invention concerne un système de régulation de pression de pneumatique (1) qui ramène automatiquement à un niveau requis des pressions de pneumatique ayant diminué pour diverses raisons dans des pneumatiques de véhicules.
PCT/TR2020/050939 2019-12-27 2020-10-12 Système de régulation de pression de pneumatique WO2021133296A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2019/21952 2019-12-27
TR201921952 2019-12-27

Publications (1)

Publication Number Publication Date
WO2021133296A1 true WO2021133296A1 (fr) 2021-07-01

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587698A (en) * 1992-02-05 1996-12-24 Genna; Robert A. Automatic tire pressure control system for a vehicle
EP1265761A1 (fr) * 2000-03-17 2002-12-18 Equalaire Systems, Inc. Systeme automatique de gonflage de pneus comprenant une pompe de surpression
EP1817180A2 (fr) * 2004-11-12 2007-08-15 Richard Loewe Dispositif de maintien de la pression de gonflage des pneumatiques
CN102529614A (zh) * 2012-02-26 2012-07-04 张卫 自动充气泵
CN103879242A (zh) * 2012-12-20 2014-06-25 北汽福田汽车股份有限公司 车辆及其轮胎自动充气系统
KR20160022203A (ko) * 2014-08-19 2016-02-29 현대 아메리카 테크니컬 센타, 아이엔씨 동적 타이어 공기압 장치
CN107215157A (zh) * 2017-06-23 2017-09-29 河北御捷时代汽车有限公司 电动汽车的模型化轮胎胎压自主控制系统
CN107225916A (zh) * 2017-06-23 2017-10-03 河北御捷时代汽车有限公司 基于路面震动模型的电动汽车气压调整系统及方法
CN109823121A (zh) * 2019-02-20 2019-05-31 上海汽车集团股份有限公司 轮胎中央充放气自动控制系统及方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587698A (en) * 1992-02-05 1996-12-24 Genna; Robert A. Automatic tire pressure control system for a vehicle
EP1265761A1 (fr) * 2000-03-17 2002-12-18 Equalaire Systems, Inc. Systeme automatique de gonflage de pneus comprenant une pompe de surpression
EP1817180A2 (fr) * 2004-11-12 2007-08-15 Richard Loewe Dispositif de maintien de la pression de gonflage des pneumatiques
CN102529614A (zh) * 2012-02-26 2012-07-04 张卫 自动充气泵
CN103879242A (zh) * 2012-12-20 2014-06-25 北汽福田汽车股份有限公司 车辆及其轮胎自动充气系统
KR20160022203A (ko) * 2014-08-19 2016-02-29 현대 아메리카 테크니컬 센타, 아이엔씨 동적 타이어 공기압 장치
CN107215157A (zh) * 2017-06-23 2017-09-29 河北御捷时代汽车有限公司 电动汽车的模型化轮胎胎压自主控制系统
CN107225916A (zh) * 2017-06-23 2017-10-03 河北御捷时代汽车有限公司 基于路面震动模型的电动汽车气压调整系统及方法
CN109823121A (zh) * 2019-02-20 2019-05-31 上海汽车集团股份有限公司 轮胎中央充放气自动控制系统及方法

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