| 摘要 |
TO VARY A BY-STARTER PASSAGE BETWEEN A DEPENDENT TYPE AND AN INDEPENDENT TYPE ONLY BY A LITTLE VARIATION. A BY-STARTER BODY (13) FORMED AS A SEPARATE MEMBER IS MOUNTED ON A CARBURETOR BODY (10), AND A CONNECTING GROOVE (51) IS PROVIDED ON A MATING FACE (30). WHERE A COMMUNICATING HOLE (34) OF A HORIZONTAL HOLE (60) WHICH FORMS A MAIN AIR PASSAGE (24) AND AN AIR INLET PORT (48) ON THE BY-STARTER BODY (13) SIDE ARE COMMUNICATED WITH EACH OTHER BY THE CONNECTING GROOVE (51), THEN THE DEPENDENT TYPE IS OBTAINED. ON THE OTHER HAND, WHERE THE CONNECTING GROOVE (51) IS NOT PROVIDED ON THE MATING FACE (30) BUT THE COMMUNICATING HOLE (34) IS COVERED WITH THE MATING FACE (30) AND A HORIZONTAL HOLE (39) FOR COMMUNICATING THE AIR INLET PORT (48) AND A MAIN PORT (16) WITH EACH OTHER IS PROVIDED ON THE CARBURETOR BODY (10) SIDE WHILE A MAIN PORT COMMUNICATING HOLE (38) WHICH IS OPEN TO A MOUNTING SEAT PORTION (31) AND THE AIR INLET PORT (48) ARE COMMUNICATED WITH EACH OTHER ON THE MATING FACE (30), THE INDEPENDENT TYPE IS OBTAINED.
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