JPS5614493B2 - - Google Patents

Info

Publication number
JPS5614493B2
JPS5614493B2 JP2992473A JP2992473A JPS5614493B2 JP S5614493 B2 JPS5614493 B2 JP S5614493B2 JP 2992473 A JP2992473 A JP 2992473A JP 2992473 A JP2992473 A JP 2992473A JP S5614493 B2 JPS5614493 B2 JP S5614493B2
Authority
JP
Japan
Prior art keywords
hydraulic system
conduit
automobile
hydraulic
systems
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP2992473A
Other languages
Japanese (ja)
Other versions
JPS49939A (en
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 filed Critical
Publication of JPS49939A publication Critical patent/JPS49939A/ja
Publication of JPS5614493B2 publication Critical patent/JPS5614493B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/10—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution
    • B60Q1/105—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution by fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/001—With multiple inputs, e.g. for dual control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/003—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with multiple outputs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005—With rotary or crank input
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/008—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with rotary output

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

What follows is the description of an improved hydraulic system for automatically adjusting the positions of headlights of an automobile. The hydraulic system includes two component hydraulic systems, the first of which is provided with a mechanical linkage structure associated with spring-suspended parts at the front and rear of the automobile, two measuring cylinders having pistons displaceable therein and connected to the linkage structure, and a conduit which connects the two measuring cylinders with one another and with the work space of a common working cylinder of the hydraulic system. The second component system is provided with a second working cylinder having a piston displaceable therein and a work space which is connected by a conduit to the common working cylinder, as well as a pair of headlight position adjusting linkages connected to the pistons of the two working cylinders on the one hand and adapted for mechanical connection to pivotably mounted headlights of the automobile, on the other hand. This hydraulic system is improved by providing it with a fill-up valve in one, and a vent valve in the other of the component systems, and with a hydraulic conduit interconnecting the two systems in which conduit there is interposed a shut-off structure which can be opened in the direction of liquid flow from the fill-up valve to the vent valve, while the entire hydraulic system is being filled.
JP2992473A 1972-03-14 1973-03-14 Expired JPS5614493B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2212131A DE2212131C2 (en) 1972-03-14 1972-03-14 Hydraulic device for automatic control of the headlight inclination in motor vehicles

Publications (2)

Publication Number Publication Date
JPS49939A JPS49939A (en) 1974-01-07
JPS5614493B2 true JPS5614493B2 (en) 1981-04-04

Family

ID=5838780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2992473A Expired JPS5614493B2 (en) 1972-03-14 1973-03-14

Country Status (10)

Country Link
US (1) US3828179A (en)
JP (1) JPS5614493B2 (en)
AT (1) AT322383B (en)
CH (1) CH552487A (en)
DE (1) DE2212131C2 (en)
FR (1) FR2176427A5 (en)
GB (1) GB1422166A (en)
IT (1) IT981372B (en)
NL (1) NL7303501A (en)
SE (1) SE380484B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240617A5 (en) * 1973-08-06 1975-03-07 Citroen Sa
SE396326B (en) * 1973-09-24 1977-09-19 Saab Scania Ab DEVICE FOR AUTOMATIC ADJUSTMENT OF THE INSTALLATION OF THE HEADLIGHT IN MOTOR VEHICLES DEPENDING ON THE LOAD
US3955173A (en) * 1974-03-08 1976-05-04 The Lucas Electrical Company Limited Motor vehicle with headlamp tilting mechanism
DE2654015C2 (en) * 1976-11-27 1982-04-01 Robert Bosch Gmbh, 7000 Stuttgart Hydraulic device for automatically correcting the headlight inclination of a motor vehicle
CN108583416B (en) * 2018-01-27 2021-09-21 中山同鑫金属制品有限公司 Vehicle lamp device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1748769A (en) * 1928-03-24 1930-02-25 Holliday Life Saving Headlight Dirigible headlight
US3402287A (en) * 1965-11-05 1968-09-17 Roy E Mcafee Load compensating headlight adjusting mechanism
GB1171936A (en) * 1965-12-14 1969-11-26 Cibie Projecteurs Arrangement for Controlling the Inclination of the Headlamps of a Vehicle.

Also Published As

Publication number Publication date
CH552487A (en) 1974-08-15
US3828179A (en) 1974-08-06
DE2212131C2 (en) 1982-03-18
AT322383B (en) 1975-05-26
NL7303501A (en) 1973-09-18
GB1422166A (en) 1976-01-21
JPS49939A (en) 1974-01-07
DE2212131A1 (en) 1973-09-20
FR2176427A5 (en) 1973-10-26
SE380484B (en) 1975-11-10
IT981372B (en) 1974-10-10

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