序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Improvement in the construction of organs US131984D US131984A 1872-10-08
62 Moritz baumgarten US83241D US83241A 1868-10-20
63 Organ US9022D US9022A 1852-06-15
64 Wind generator for musical instruments in particular pipe organs and a sound damper therefor US3616721D 1969-02-12 US3616721A 1971-11-02 LAUKHUFF OTTO
A WIND GENERATOR FOR MUSICAL INSTRUMENT PARTICULARLY PIPE ORGANS COMPRISES A SOUND DAMPER ARRANGED IN FRONT OF THE AIR INTAKE OF THE WIND GENERATOR. THE DAMPER COMPRISES A HOUSING THE INTERIOR OF WHICH COMMUNICATES WITH THE WIND GENERATOR INTAKE, AND THE DAMPER ITSELF COMPRISES AN AIR INTAKE WHICH IS PROVIDED WITH A FLAP OR SIMILAR OBTURATING ELEMENT, WHICH CAN BE MOVED FROM A CLOSED CONDITION UNDER THE EFFECT OF AIR FLOW PRODUCED IN THE DAMPER HOUSING, INTO A CONDITION IN WHICH THE DAMPER AIR INTAKE IS UNCOVERED TO A GREATER OR LESSER EXTENT. THE HOUSING WALL OF THE DAMPER HAS, AT LEAST LOCALLY, A DOUBLE WALL CONSTRUCTION AND DEFINES ONE OR MORE SECONDARY FLOW DUCTS WHICH COMMUNICATE FREELY WITH THE ATMOSPHERE. THE OBTURATING ELEMENT HAS A PRELOAD ACTING IN THE DIRECTION OF CLOSURE WHICH PREVENTS IT FROM OPENING UNTIL A PREDETERMINED VACUUM LEVEL IS PRODUCED IN THE INTERIOR OF THE DAMPER HOUSING.
65 Organ wind-chest US3472115D 1966-06-21 US3472115A 1969-10-14 COGSWELL DAVID W
66 Reservoir for organs US54294731 1931-06-08 US1846861A 1932-02-23 ELDRED GRANT CASPER
67 Best available cop US1645608D US1645608A 1927-10-18
68 Pneumatic action for reed organs US52817922 1922-01-10 US1535493A 1925-04-28 PERCY PRESTON
69 Wind chest and valve action for organs US43606421 1921-01-10 US1419703A 1922-06-13 JAMES TOPP
70 Pneumatic action. US1909531282 1909-12-03 US1100568A 1914-06-16 HOLTKAMP HENRY H
71 Organ-coupler. US1912705935 1912-06-26 US1082655A 1913-12-30 SCHWERTNER JOSEPH
72 Wind-chest for pipe-organs. US1908414562 1908-02-06 US896452A 1908-08-18 KENT ALBERT E
73 Organ-action. US1905246384 1905-02-20 US847636A 1907-03-19 AUSTIN JOHN T
74 Pipe-organ. US1902136603 1902-12-26 US759338A 1904-05-10 ZEBROWSKI FELIX
75 Pneumatic action and coupler for organs. US1903169734 1903-08-17 US741884A 1903-10-20 CAMPKIN FREDERICK
76 Pneumatic valve for pipe-organs. US1899725403 1899-07-28 US642827A 1900-02-06 SOMMER GOTTLIEB
77 Pipe-organ US626415D US626415A 1899-06-06
78 Organ-action US599199D US599199A 1898-02-15
79 Organ US598311D US598311A 1898-02-01
80 Pouch-pneumatic for pipe-organs US594391D US594391A 1897-11-30
QQ群二维码
意见反馈