scroll compressor

[0054] see Figure 3a to Figure 3c , the technical solution of the second embodiment is different from the technical solution of the above-mentioned first embodiment as follows: in this embodiment, the sub-channel 108 is only provided on the circumferential edge of the fixed scroll 3 .

[0055] see Figure 3a to Figure 3c , the sub-channel 108 includes a first throttling groove 301 provided on the peripheral edge of the fixed scroll 3 . The first throttle groove 301 is provided inside the fixed scroll 3 and the arc of the first throttle groove 301 is consistent with the arc of the fixed scroll 3 . The peripheral edge of the fixed scroll 3 is a first boss 303 , and the first throttle groove 301 is provided inside the first boss 303 . The channel 100 further includes a first introduction hole 302 provided in the fixed scroll 3 and a second introduction hole 102 provided in the bracket 1 . The fluid flows to the back pressure chamber 9 via the exhaust chamber 6 , the first int...

[0058] see Figures 4a to 4c , the technical solution of the third embodiment is different from the technical solution of the above-mentioned first embodiment as follows: In this embodiment, the sub-channel 108 is only provided on the circumferential edge of the bracket 1 . Figure 4c The middle arrows illustrate the fluid flow paths that introduce back pressure.

[0059] like Figures 4a to 4c As shown, the sub-channel 108 includes a second throttling groove 101 arranged on the circumferential edge of the bracket 1 , the second throttling slot 101 is arranged inside the bracket 1 and the arc of the second throttling slot 101 is consistent with that of the bracket 1 . The peripheral edge of the bracket 1 is a second boss 103 , and the second throttle groove 101 is arranged inside the second boss 103 . The channel 100 further includes a first introduction hole 302 provided in the fixed scroll 3 and a second introduction hole 102 provided in the bracket 1 . The fluid flows to...