Axial compliance/sealing means are provided for scroll-type apparatus. These means comprise seal elements capable of experiencing axial and radial motion within channels cut in the tips of the involute wraps to make sealing contact with the end plates of the opposing scroll members. Continuous involute...http://www.google.com/patents/US4395205?utm_source=gb-gplus-sharePatent US4395205 - Mechanically actuated tip seals for scroll apparatus and scroll apparatus embodying the same
