By SABC Sport
11th August 2024
The package includes a number of easily-achievable incentives and a 17.5 percent sell-on clause.
However, as part of the £5m deal which took the Portuguese to Anfield in 2022 Fulham are due 20 percent of the fee the Bees are paying.
Carvalho spent last season out on loan at first RB Leipzig and then Hull, scoring nine goals in 20 Championship games for the latter.
Leicester earlier completed the loan signing of Facundo Buonanotte from Brighton.
The Seagulls revealed the 19-year-old attacking midfielder had signed a new four-year deal before confirming his season-long switch to the Foxes.
Buonanotte made 36 appearances for Brighton last season, scoring four times, and could feature for Steve Cooper's side in their Premier League opener against Tottenham on August 19.