Sound-insulating floor structures, sound-insulating floor members and method for constructing said sound-insulating floor structures
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0118168
(2002-04-09)
|
발명자
/ 주소 |
- Kakimoto, Hirofumi
- Kiso, Osamu
|
출원인 / 주소 |
- Hayakawa Rubber Company Limited
|
대리인 / 주소 |
Burns, Doane, Swecker & Mathis, LLP
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
4 |
초록
▼
A sound-insulating floor structure, which can conspicuously reduce heavy floor impact sounds, is provided. The sound-insulating floor structure includes a floor base and an underfloor member. A plurality of sound-insulating floor members are arranged between the floor base and the underfloor member,
A sound-insulating floor structure, which can conspicuously reduce heavy floor impact sounds, is provided. The sound-insulating floor structure includes a floor base and an underfloor member. A plurality of sound-insulating floor members are arranged between the floor base and the underfloor member, and each of the sound-insulating floor members includes a plurality of impact-absorbing members and a support member supporting the impact-absorbing members. The impact-absorbing members are provided at at least one of upper and lower faces of the support member. Each of the sound-insulating floor members is fixed to the floor base or to the underfloor member, thereby supporting the underfloor member.
대표청구항
▼
A sound-insulating floor structure, which can conspicuously reduce heavy floor impact sounds, is provided. The sound-insulating floor structure includes a floor base and an underfloor member. A plurality of sound-insulating floor members are arranged between the floor base and the underfloor member,
A sound-insulating floor structure, which can conspicuously reduce heavy floor impact sounds, is provided. The sound-insulating floor structure includes a floor base and an underfloor member. A plurality of sound-insulating floor members are arranged between the floor base and the underfloor member, and each of the sound-insulating floor members includes a plurality of impact-absorbing members and a support member supporting the impact-absorbing members. The impact-absorbing members are provided at at least one of upper and lower faces of the support member. Each of the sound-insulating floor members is fixed to the floor base or to the underfloor member, thereby supporting the underfloor member. ludes logic for controlling actuation of said control valve in response to predetermined relationships related to the speed difference between said input member and said output member. 3. The power transfer assembly of claim 2 wherein said logic further includes a sub-routine to compensate for changes in fluid viscosity based on the fluid temperature detected by said first temperature sensor. 4. The power transfer assembly of claim 3 wherein said control unit is adapted to open said control valve and release said clutch pack when the fluid temperature detected by said second temperature sensor exceeds a predetermined value. 5. The power transfer assembly of claim 1 wherein said output member includes a differential assembly operably interconnecting the pair of wheels. 6. The power transfer assembly of claim 1 wherein said fluid control system further includes a pump driven by said input member for supplying fluid to said actuator, and wherein said control valve is operably disposed between said pump and said actuator. 7. The power transfer assembly of claim 6 wherein said pump is a gerotor pump adapted to generate a fluid pumping action in response to speed differentiation between said input and output members. 8. The power transfer assembly of claim 1 further comprising a drive module having a drive case driven by said output member, a pair of axleshafts adapted for connection to the pair of wheels, and a differential assembly interconnecting said drive case to said axleshafts to facilitate speed differentiation between said axleshafts. 9. The power transfer assembly of claim 8 further comprising a second torque coupling operably disposed between said drive case and one of said axleshafts. 10. A power transfer assembly for transferring drive torque from a vehicular powertrain to a pair of wheels, comprising: an input shaft adapted to receive drive torque from the powertrain; a pinion shaft; a torque coupling operable for transferring drive torque from said input shaft to said pinion shaft, said torque coupling including a clutch pack interconnected between said input shaft and said pinion shaft, a piston supported in a piston chamber for movement in response to fluid pressure to apply a clutch engagement force to said clutch pack for transferring drive torque to said pinion shaft, a source of hydraulic fluid, a pump having an inlet in communication with said fluid source and an outlet in communication with said piston chamber, and a control valve for regulating the control pressure of hydraulic fluid supplied by said pump to said piston chamber; speed sensors for detecting the rotary speeds of said input shaft and said pinion shaft; a first temperature sensor for detecting the fluid temperature at said fluid source; a second temperature sensor for detecting the fluid temperature at said control valve; and a controller for receiving sensor signals from said speed sensors and said first and second temperature sensors and generating an electric control signal in response thereto that is sent to said control valve to control movement of said piston. 11. The power transfer assembly of claim 10 further comprising a drive module for transferring drive torque from said pinion shaft to the wheels, said drive module including a drive case driven by said pinion shaft and a differential unit interconnecting said drive case to the wheels. 12. The power transfer assembly of claim 10 wherein said control valve has an inlet in communication with said pump outlet, a first outlet in communication with said piston chamber, and a second outlet in communication with a clutch chamber within which said clutch pack is disposed. 13. The power transfer assembly of claim 12 wherein said second temperature sensor is disposed between said first outlet of said control valve and said piston chamber. 14. The power transfer assembly of claim 12 wherein said second temperature sensor is disposed between said second outlet of said control valve and said clutch chamber. 15. The power transfer assembly of claim 10 wherein said controller includes logic for controlling actuation of said control valve in response to predetermined relationships related to speed differences between said input shaft and said pinion shaft. 16. The power transfer assembly of claim 15 wherein said logic further includes a sub-routine to compensate for changes in fluid viscosity within said fluid source based on the fluid temperature detected by said first temperature sensor. 17. The power transfer assembly of claim 10 wherein said controller is adapted to open said control valve and release engagement of said clutch pack when the fluid temperature detected by said second temperature sensor exceeds a predetermined value. 18. The power transfer assembly of claim 10 wherein said coupling is disposed within a housing which also rotatably supports said input shaft and pinion shaft, wherein said pump is adapted to generate a pumping action in response to speed differentiation between said pinion shaft and said input shaft, and wherein said control valve is mounted to a valvebody segment of said housing. 19. An all-wheel drive vehicle comprising: a powertrain including an engine and a transmission; a primary driveline driven by said powertrain for transferring drive torque to a pair of primary wheels; a secondary driveline including a drive axle assembly and a pair of secondary wheels, said drive axle assembly having an input member driven by said powertrain, a drive case, a pair of axleshafts connected to said secondary wheels, a differential interconnecting said drive case to said axleshafts so as to permit speed differentiation between said axleshafts, and a torque coupling for transferring drive torque from said input member to said drive case, said torque coupling including a clutch pack operably connected between said input member and said drive case, an actuator for applying a clutch engagement force on said clutch pack in response to fluid pressure exerted thereon, and a fluid control system capable of varying the fluid pressure exerted on said actuator, said fluid control system includes a source of hydraulic fluid, and an electric control valve for controllably regulating the control pressure exerted on said actuator; speed sensors for determining a speed difference between said input member and at lease one of said drive case and said axleshafts; a first temperature sensor for detecting the fluid temperature at said fluid source; a second temperature sensor for detecting the fluid temperature at said clutch pack; and a traction control unit receiving speed signals from said speed sensors and temperature signals from said first and second temperature sensors and generating an electric control signal in response thereto, said electric control signal is supplied to said electric control valve for varying the control pressure as a function of said electric control signal. 20. The all-wheel drive vehicle of claim 19 wherein said traction control unit includes logic for controlling actuation of said control valve in response to predetermined relationships related to vehicle operating characteristics. 21. The all-wheel drive vehicle of claim 20 wherein said logic further includes a sub-routine to compensate for changes in fluid viscosity within said fluid source based on the fluid temperature detected by said first temperature sensor. 22. The all-wheel drive vehicle of claim 19 wherein said traction control unit is adapted to open said control valve and release engagement of said clutch pack when the fluid temperature detected by said second temperature sensor exceeds a predetermined value. 23. The all-wheel drive vehicle of claim 19 further comprising a second hydraulic coupling operably disposed between said drive case and at least one of said axleshafts for limiting excessive speed differentiation between the wheels. 24. An all-wheel drive vehicle comprising: a powertrain including a
이 특허에 인용된 특허 (4)
-
Ducharme Robert (Ste-Anne-de-Bellevue CAX) Boisvert Andr (St-Leon CAX) Zinkewich Johanne (Verdun CAX) Laroche Lucie (Danville CAX), Acoustic construction panel.
-
Capaul Raymond W. (Aurora IL), Lay-in ceiling panel.
-
Gaffigan Walter J. (Baton Rouge LA), Sound insulating membrane.
-
Capaul Raymond W. (Rte. 3 ; Wildwood Drive Aurora IL 60544), Unitary structural panel for ceiling and wall installations.
이 특허를 인용한 특허 (7)
-
Tinianov, Brandon D.; Surace, Kevin J., Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same.
-
Tinianov, Brandon D.; Surace, Kevin J., Acoustical sound proofing material with improved fire resistance and methods for manufacturing same.
-
Tinianov, Brandon D., Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same.
-
Geith, Andreas; Schreiber, Walter; Krause, Oliver; Babinsky, Horst, Illuminated floor assembly.
-
Tinianov, Brandon D.; Surace, Kevin J.; Yanez, Albert C., Methods of manufacturing acoustical sound proofing materials with optimized fracture characteristics.
-
Tinianov, Brandon D., Sound Proofing material with improved damping and structural integrity.
-
Alston, Gerald K., System for reducing acoustic energy.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.