Valve assembly having improved rotational feel
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-003/02
F16K-027/04
E03C-001/04
F16K-003/08
B23P-015/00
F16K-025/00
출원번호
US-0272191
(2016-09-21)
등록번호
US-9915367
(2018-03-13)
발명자
/ 주소
Ritter, David H.
Cochart, Chad J.
Brouwer, Douglas J.
Shay, Christopher M.
Core, Brian S.
Smith, Michael W.
출원인 / 주소
KOHLER CO.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
37
초록▼
A valve assembly includes a valve housing having an internal generally cup-shaped bore, a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom, and a bonnet nut having a through-bore. The bonnet nut is threaded to the valve housing such that
A valve assembly includes a valve housing having an internal generally cup-shaped bore, a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom, and a bonnet nut having a through-bore. The bonnet nut is threaded to the valve housing such that the control stem extends through the through-bore. Flexible fingers are provided along the through-bore to control a level of resistance to a rotation of the rotatable control stem. The stem is positioned to frictionally engage the flexible fingers as the stem is rotated.
대표청구항▼
1. A valve assembly, comprising: a valve housing having an internal generally cup-shaped bore;a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom; anda bonnet nut having a through-bore, the bonnet nut coupled to the valve housing such tha
1. A valve assembly, comprising: a valve housing having an internal generally cup-shaped bore;a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom; anda bonnet nut having a through-bore, the bonnet nut coupled to the valve housing such that the control stem extends through the through-bore;wherein flexible fingers are provided along the through-bore to control a level of resistance to a rotation of the rotatable control stem;wherein the rotatable control stem is positioned to frictionally engage the flexible fingers as the rotatable control stem is rotated. 2. The valve assembly of claim 1, wherein the bonnet nut is threaded to an internal wall of the valve housing. 3. The valve assembly of claim 2, wherein the valve housing comprises internal threads and the bonnet nut comprises external threads, the external threads of the bonnet nut engaging the internal threads of the valve housing. 4. The valve assembly of claim 1, wherein the bonnet nut comprises a counterbore axially aligned with the through-bore, and wherein the valve housing is received in the counterbore. 5. The valve assembly of claim 4, wherein flexible fingers are provided along the counterbore. 6. The valve assembly of claim 4, wherein flexible fingers are provided along a surface between, and perpendicular to, the counterbore and the through-bore. 7. The valve assembly of claim 1, wherein the flexible fingers are formed of an elastomeric material. 8. The valve assembly of claim 1, wherein the bonnet nut is coupled to the valve housing via bayonet mounting. 9. A valve assembly, comprising: a valve housing having a bore;a valve control cartridge inserted into the bore, the valve control cartridge including one or more tabs configured to rotationally align and fix the valve control cartridge in relation to the bore of the valve housing, the valve control cartridge also including a rotatable control stem extending upwardly therefrom; anda bonnet nut having a through-bore, the bonnet nut coupled to the valve housing such that the control stem extends through the through-bore;wherein the rotatable control stem is positioned to engage a plurality of flexible fingers disposed along the through-bore as the rotatable control stem is rotated. 10. The valve assembly of claim 9, wherein the flexible fingers control a level of resistance to a rotation of the rotatable control stem. 11. The valve assembly of claim 9, wherein the bonnet nut is threaded to an internal wall of the valve housing. 12. The valve assembly of claim 11, wherein the valve housing comprises internal threads and the bonnet nut comprises external threads, the external threads of the bonnet nut engaging the internal threads of the valve housing. 13. The valve assembly of claim 9, wherein the bonnet nut comprises a counterbore axially aligned with the through-bore, and wherein the valve control cartridge is received in the counterbore. 14. The valve assembly of claim 13, wherein the flexible fingers are provided along the counterbore. 15. The valve assembly of claim 9, wherein the flexible fingers are formed of an elastomeric material. 16. The valve assembly of claim 9, wherein the bonnet nut is coupled to the valve housing via bayonet mounting. 17. A method of manufacturing a valve assembly, comprising: providing a valve housing having an internal generally cup-shaped bore;providing a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom; andproviding a bonnet nut having a through-bore, the bonnet nut coupled to the valve housing such that the control stem extends through the through-bore;wherein flexible fingers are provided along the through-bore to control a level of resistance to a rotation of the rotatable control stem;wherein the rotatable control stem is positioned to frictionally engage the flexible fingers as the rotatable control stem is rotated. 18. The method of claim 17, wherein the bonnet nut is threaded to an internal wall of the valve housing. 19. The method of claim 18, wherein the valve housing comprises internal threads and the bonnet nut comprises external threads, the external threads of the bonnet nut engaging the internal threads of the valve housing. 20. The method of claim 17, wherein the bonnet nut comprises a counterbore axially aligned with the through-bore, and wherein the valve control cartridge is received in the counterbore.
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