WO2023285083A1 - Fahrzeugsitz mit einem schwingungstilger - Google Patents
Fahrzeugsitz mit einem schwingungstilger Download PDFInfo
- Publication number
- WO2023285083A1 WO2023285083A1 PCT/EP2022/066873 EP2022066873W WO2023285083A1 WO 2023285083 A1 WO2023285083 A1 WO 2023285083A1 EP 2022066873 W EP2022066873 W EP 2022066873W WO 2023285083 A1 WO2023285083 A1 WO 2023285083A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle seat
- elastic elements
- vehicle
- seat
- backrest
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/503—Seat suspension devices attached to the backrest
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/54—Seat suspension devices using mechanical springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/08—Functional characteristics, e.g. variability, frequency-dependence pre-stressed
Definitions
- the invention relates to a vehicle seat with a vibration absorber according to the preamble of patent claim 1. It also relates to a vehicle, in particular a motor vehicle, with at least one such vehicle seat.
- the natural frequency of the seat is reduced, especially in vehicle seats with increased mass in the seat backrest, for example caused by the integration of a safety belt in the seat backrest or the integration of other comfort-enhancing equipment (work table, monitor, etc.), which can lead to trembling of the seat during ferry operation Seat, especially the seat back, or leads to noise.
- the natural frequency of the vehicle seat often matches the excitation frequency of the vehicle, which leads to particularly strong perceptible vibrations in the vehicle seat.
- a high mass in the upper backrest area has a negative effect on a weight-optimized seat substructure with regard to the occurrence of perceptible vibrations of the vehicle seat.
- the sitting position changes the natural frequency of the seat.
- the object of the present invention is to specify an improved generic vehicle seat in which the occurrence of natural vibrations during driving is further reduced.
- Such a vehicle seat with a vibration absorber has a seat bottom part and a seat backrest arranged thereon and provided with a headrest.
- the vibration absorber is arranged in the seat backrest or in the headrest and attached there to a backrest structure or a headrest structure.
- the vibration damper is characterized in that it has a damper mass which is mounted by means of elastic elements relative to the backrest structure or to the headrest structure, and that the spring rate of the elastic elements of the actuating mechanism is adjustable.
- the adjustability of the spring stiffness of the vibration absorber creates an adjustability of the natural frequency and thus enables the vibration absorber to be designed for different frequency ranges.
- the actuating mechanism is preferably designed to set the spring hardness of the elastic elements as a function of the setting of the vehicle seat, in particular as a function of the angle of inclination of the seat back.
- the damping element and with it the damping effect can be adapted to the respective position of the vehicle seat.
- the vibration damper has a yoke with a first pressure element and a second pressure element, the pressure elements being displaceable, in particular movable or displaceable, relative to one another along a first direction, being guided by means of a guide arrangement and the elastic elements and the absorber mass are clamped between the pressure elements of the vibration absorber.
- the elastic elements are more or less compressed, which changes their spring hardness, which results in a change in the natural frequency of the spring-mass oscillator formed by the absorber mass and the elastic elements of the vibration absorber. It is advantageous if the actuating mechanism is designed to move the pressure elements towards one another and away from one another along the first direction or parallel thereto.
- the elastic elements are formed by elastomeric damping bodies or have such.
- the actuating mechanism has at least one actuator.
- an actuator can have or form a mechanical drive, a Bowden cable that can be actuated manually or automatically, or an electrical, pneumatic or hydraulic drive.
- the at least one actuator can be controlled by a control device and, for this purpose, can have actuation commands applied to it by the control device.
- Power seats can control the actuator via the power seat control unit, which then forms the control device.
- the control device is preferably coupled to at least one sensor for data transmission, which is designed to record at least one parameter of the adjustment of the vehicle seat.
- control device is connected to a characteristic diagram memory device or has one in which setting values for the spring stiffness of the elastic elements are stored as a function of setting parameters of the vehicle seat.
- this map control can be set mechanically, for example via a control cam on the mechanism and/or a Bowden cable, or electrically/pneumatically/hydraulically via an actuator.
- the mass of the vehicle seat including that of a passenger sitting on the vehicle seat, can be determined via weight sensors and used as a further control variable for setting the vibration absorber.
- the invention is also aimed at a vehicle, in particular at a motor vehicle, with at least one vehicle seat according to the invention.
- FIG. 1 shows a partially sectioned side view of a vehicle seat according to the invention with a vibration absorber
- FIG. 2 shows an enlarged view of the vibration absorber from FIG. 1 ; according to detail II in Fig. 1
- Fig. 3A is a side view of the vehicle seat of FIG. 1 with the seat back upright and
- FIG. 3B shows a side view of the vehicle seat from FIG. 1 with the seat back tilted into a reclining position.
- FIG. 1 shows a vehicle seat 1 according to the invention in a stylized, partially sectioned side view with a seat base element 10 and a seat back 12 which is provided with a headrest 11 on its upper side and in which a vibration absorber 2 is provided.
- the seat floor element 10 is connected to a floor panel 42 belonging to the vehicle structure 40 of a vehicle 4 by means of a device 3 for seat longitudinal adjustment in a manner known to those skilled in the art, for example by screwing.
- the device 3 for longitudinal seat adjustment has a left and right lower rail 30 connected to the floor panel 42 .
- Each lower rail 30 is assigned an upper rail 32 which is mounted in a displaceable and lockable manner with respect to the respective lower rail 30 .
- the vibration absorber 2 is arranged in the upper part of the seat back 12 and is described in more detail below with reference to FIG. 2 .
- the vibration absorber 2 is formed by a yoke 20 which has a front, first pressure element 21 and a rear, second pressure element 22 which are movable towards and away from one another relative to one another along a first direction R perpendicular to the pressure elements 21, 22.
- Guide bolts 23, 24 of a guide assembly 25 reach through
- An absorber mass 26 is arranged between the pressure elements 21, 22 and is elastically mounted between the pressure elements 21, 22 by means of front elastic elements 27, 27' and rear elastic elements 28, 28'.
- the elastic elements 27, 27', 28, 28' are each formed by a damping body made of an elastomeric material, for example a rubber buffer.
- the vibration damper 2 is held on the inner structural support 16 and on the rear structural support 17 by means of flattenings 29, 29', which are shown only schematically in FIG.
- At least one of the two flaps 29, 29' forms an actuating mechanism 5 or has one that is designed to effect a relative displacement of the two pressure elements 21, 22 towards or away from one another.
- Only the front flap 29 is shown schematically as an element of the actuating mechanism 5 in FIG.
- the rear flange 29' may form one element of the operating mechanism 5, or both flanges 29 and 29' may form elements of the operating mechanism 5.
- the actuating mechanism 5 has at least one electrically (or alternatively pneumatically or hydraulically) actuatable actuator 50 which, in the example shown, is integrated into the telescopically designed front flap 29 and can extend or retract it telescopically.
- the at least one actuator 50 is controlled by a control device 52, only shown schematically in Fig. 1, which is equipped with an inclination angle sensor 56 for determining the angle of inclination of the backrest ai, 02 (Figs. 3A and 3B) about the axis of inclination of the backrest yi to the vertical and with is connected to at least one weight sensor 58 provided in the vehicle seat 1 for determining the passenger mass resting on the vehicle seat 1 and to a characteristic map memory device 54 for data transmission.
- This also changes the natural frequency of the vibration absorber 2, so that it can be changed by means of the actuating mechanism 5 and the vibration damping of the vehicle seat, in particular of its seat back, can be adapted to the current dynamic needs
- the device according to the invention can also assume other configurations than those described above.
- the device can in particular have features which represent a combination of the respective individual features of the claims.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202280022815.2A CN117098689A (zh) | 2021-07-16 | 2022-06-21 | 具有减震器的车辆座椅 |
| US18/286,288 US12534002B2 (en) | 2021-07-16 | 2022-06-21 | Vehicle seat with a vibration-absorber |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021118485.1A DE102021118485A1 (de) | 2021-07-16 | 2021-07-16 | Fahrzeugsitz mit einem Schwingungstilger |
| DE102021118485.1 | 2021-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023285083A1 true WO2023285083A1 (de) | 2023-01-19 |
Family
ID=82218432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2022/066873 Ceased WO2023285083A1 (de) | 2021-07-16 | 2022-06-21 | Fahrzeugsitz mit einem schwingungstilger |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12534002B2 (de) |
| CN (1) | CN117098689A (de) |
| DE (1) | DE102021118485A1 (de) |
| WO (1) | WO2023285083A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60151135A (ja) * | 1984-01-18 | 1985-08-09 | Nissan Motor Co Ltd | シ−トバツクの振動抑制装置 |
| DE10327770A1 (de) * | 2003-06-17 | 2005-01-05 | Volkswagen Ag | Anordnung eines Schwingungstilgers in Kraftfahrzeugsitzen |
| EP2602152A1 (de) | 2010-08-05 | 2013-06-12 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugsitz |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2029213A (en) * | 1978-09-01 | 1980-03-19 | Uop Inc | Resiliently mounted vehicle seat |
| CA1226307A (en) | 1984-05-01 | 1987-09-01 | Gordon J. Andry | Damping structure |
| US6216833B1 (en) | 1999-07-22 | 2001-04-17 | Bridgestone/Firestone, Inc. | Vibration damper and method of making same |
| NL1016560C1 (nl) | 2000-02-01 | 2001-08-02 | Whiplash Preventie Systems Hol | Rugleuning met variabele stijfheid voor voertuigstoel. |
| JP2004116654A (ja) | 2002-09-26 | 2004-04-15 | Tokai Rubber Ind Ltd | ダイナミックダンパ |
| DE202008004078U1 (de) | 2008-03-26 | 2008-07-03 | Keiper Gmbh & Co.Kg | Schwingungstilger, insbesondere für einen Fahrzeugsitz |
| EP2447112A4 (de) * | 2009-06-24 | 2012-11-21 | Toyota Motor Co Ltd | Fahrzeugsitz |
| EP2871093B1 (de) * | 2012-07-06 | 2018-11-14 | TS Tech Co., Ltd. | Sitzvorrichtung für ein fahrzeug |
| JP2015186982A (ja) * | 2014-03-27 | 2015-10-29 | トヨタ紡織株式会社 | 乗物用シート |
| US20160052431A1 (en) * | 2014-08-19 | 2016-02-25 | GM Global Technology Operations LLC | Systems and methods for active seat damper |
| CN104385952B (zh) | 2014-09-22 | 2017-03-29 | 重庆长安汽车股份有限公司 | 吸振频率可调的汽车座椅靠背振动衰减器 |
| JP6969203B2 (ja) | 2017-08-04 | 2021-11-24 | トヨタ紡織株式会社 | 乗物用シート |
| CN208180841U (zh) * | 2018-05-11 | 2018-12-04 | 浙江天赋实业有限公司 | 一种车载按摩枕头 |
| JP7003872B2 (ja) * | 2018-08-07 | 2022-01-21 | トヨタ自動車株式会社 | 車両用シート |
| CN109398185B (zh) * | 2018-09-29 | 2021-08-24 | 江苏理工学院 | 一种智能汽车座椅及其使用方法 |
| JP7369923B2 (ja) * | 2019-01-16 | 2023-10-27 | テイ・エス テック株式会社 | ダイナミックダンパ、ヘッドレスト及び乗物用シート |
| WO2020149231A1 (ja) * | 2019-01-16 | 2020-07-23 | テイ・エス テック株式会社 | ダイナミックダンパ、ヘッドレスト及び乗物用シート |
| JP7078011B2 (ja) * | 2019-05-08 | 2022-05-31 | トヨタ自動車株式会社 | 車両用シート |
| CN211641917U (zh) * | 2019-12-03 | 2020-10-09 | 苏州瓦泊特智能科技有限公司 | 一种便于调节角度的汽车减震座椅 |
| JP2025151135A (ja) | 2024-03-27 | 2025-10-09 | 東京応化工業株式会社 | ろ過処理方法、及び多孔質膜 |
-
2021
- 2021-07-16 DE DE102021118485.1A patent/DE102021118485A1/de active Pending
-
2022
- 2022-06-21 US US18/286,288 patent/US12534002B2/en active Active
- 2022-06-21 WO PCT/EP2022/066873 patent/WO2023285083A1/de not_active Ceased
- 2022-06-21 CN CN202280022815.2A patent/CN117098689A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60151135A (ja) * | 1984-01-18 | 1985-08-09 | Nissan Motor Co Ltd | シ−トバツクの振動抑制装置 |
| DE10327770A1 (de) * | 2003-06-17 | 2005-01-05 | Volkswagen Ag | Anordnung eines Schwingungstilgers in Kraftfahrzeugsitzen |
| EP2602152A1 (de) | 2010-08-05 | 2013-06-12 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugsitz |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117098689A (zh) | 2023-11-21 |
| DE102021118485A1 (de) | 2023-01-19 |
| US12534002B2 (en) | 2026-01-27 |
| US20240190310A1 (en) | 2024-06-13 |
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