PROTECT DEVICE AND THE METHOD FOR OIL PRESSURE SYSTEM OF AUTOMATIC TRANSMISSION IN VEHICLE
PURPOSE: A protecting apparatus of a hydraulic system for an automatic transmission in a vehicle and a method thereof are provided to improve durability of a clutch and a brake, and to prevent stick of the transmission or shift shock by neutrally and momentarily controlling the hydraulic system in n...
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| Main Author | |
|---|---|
| Format | Patent |
| Language | English Korean |
| Published |
12.06.2003
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | PURPOSE: A protecting apparatus of a hydraulic system for an automatic transmission in a vehicle and a method thereof are provided to improve durability of a clutch and a brake, and to prevent stick of the transmission or shift shock by neutrally and momentarily controlling the hydraulic system in not forming hydraulic pressure during braking suddenly or traveling on the inclined road. CONSTITUTION: A protecting device of a hydraulic system for an automatic transmission is composed of an oil pump(10) generating and discharging oil for controlling the speed range and lubricating; a pressure regulating valve(14) connected to a pipe(12) flowing hydraulic pressure from the oil pump to regulate pressure of oil; and a hydraulic state detecting solenoid valve(160) placed at the right of the pressure regulating valve to output a signal by detecting right movement of a valve spool(14b) with a return spring(14a) in not forming hydraulic pressure. The endurance of the clutch and the brake is improved, and shift shock is prevented by controlling the hydraulic system neutrally and momentarily.
주행중인 차량의 급 정차시 및 급경사 주행으로 인해 순간적인 유압 시스템에 유압이 형성되지 않음이 판단되면, 유압 시스템을 순간적으로 중립 제어할 목적으로; 변속단 제어에 필요한 오일과 윤활에 필요한 오일을 생성하여 토출하는 오일펌프(10)와; 상기 오일펌프(10)에서 생성되는 유압이 흐르는 관로(12)에는 이 관로를 따라 흐르는 오일을 일정한 압력으로 만드는 압력조절밸브(14)가 연결 구비된 자동 변속기에 있어서, 상기 오일펌프(10)로부터 유압이 형성되지 않으면, 압력 조절 밸브(14)의 우측 소정의 위치에 구비되어 있어, 유압이 형성되지 않으면 리턴 스프링(14a)에 의해 밸브 스플(14b)이 우측으로 이동됨을 검출하여 소정의 신호를 출력하는 유압상태 검출 솔레노이드 밸브(160)가 더 구비되어 있어서, 클러치 및 브레이크 등의 내구성을 향상시킬 수 있고, 변속기의 소착 등의 문제점을 방지할 수 있고, 급 출발시의 유압 형성이 이루어지지 못함에 따른 변속쇼크 발생을 방지할 수 있다. |
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| AbstractList | PURPOSE: A protecting apparatus of a hydraulic system for an automatic transmission in a vehicle and a method thereof are provided to improve durability of a clutch and a brake, and to prevent stick of the transmission or shift shock by neutrally and momentarily controlling the hydraulic system in not forming hydraulic pressure during braking suddenly or traveling on the inclined road. CONSTITUTION: A protecting device of a hydraulic system for an automatic transmission is composed of an oil pump(10) generating and discharging oil for controlling the speed range and lubricating; a pressure regulating valve(14) connected to a pipe(12) flowing hydraulic pressure from the oil pump to regulate pressure of oil; and a hydraulic state detecting solenoid valve(160) placed at the right of the pressure regulating valve to output a signal by detecting right movement of a valve spool(14b) with a return spring(14a) in not forming hydraulic pressure. The endurance of the clutch and the brake is improved, and shift shock is prevented by controlling the hydraulic system neutrally and momentarily.
주행중인 차량의 급 정차시 및 급경사 주행으로 인해 순간적인 유압 시스템에 유압이 형성되지 않음이 판단되면, 유압 시스템을 순간적으로 중립 제어할 목적으로; 변속단 제어에 필요한 오일과 윤활에 필요한 오일을 생성하여 토출하는 오일펌프(10)와; 상기 오일펌프(10)에서 생성되는 유압이 흐르는 관로(12)에는 이 관로를 따라 흐르는 오일을 일정한 압력으로 만드는 압력조절밸브(14)가 연결 구비된 자동 변속기에 있어서, 상기 오일펌프(10)로부터 유압이 형성되지 않으면, 압력 조절 밸브(14)의 우측 소정의 위치에 구비되어 있어, 유압이 형성되지 않으면 리턴 스프링(14a)에 의해 밸브 스플(14b)이 우측으로 이동됨을 검출하여 소정의 신호를 출력하는 유압상태 검출 솔레노이드 밸브(160)가 더 구비되어 있어서, 클러치 및 브레이크 등의 내구성을 향상시킬 수 있고, 변속기의 소착 등의 문제점을 방지할 수 있고, 급 출발시의 유압 형성이 이루어지지 못함에 따른 변속쇼크 발생을 방지할 수 있다. |
| Author | LEE, MYEONG CHEOL |
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| DocumentTitleAlternate | 차량용 자동 변속기의 유압 시스템 보호장치 및 그 방법 |
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| RelatedCompanies | HYUNDAI MOTOR COMPANY |
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| Snippet | PURPOSE: A protecting apparatus of a hydraulic system for an automatic transmission in a vehicle and a method thereof are provided to improve durability of a... |
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| SubjectTerms | BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS |
| Title | PROTECT DEVICE AND THE METHOD FOR OIL PRESSURE SYSTEM OF AUTOMATIC TRANSMISSION IN VEHICLE |
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