Abstract: A multi-zone fryer (100) and method for preparation of fried food products (187) comprising an elongated cooking trough (105) for holding a volume of heated cooking oil (115), at least first and second rollers (106a, 106b), and a conveyor (110) arranged to extend and transport the food products in a direction from the first roller (106a) at an inlet end (120), along the bottom (121) of the trough to the second roller (106b) at an outlet end (122), wherein the elongated cooking trough (105) comprises at least a first and second cooking zone (140, 145), each cooking zone having oil level sensors (170,175,180,181) configured to co-operate and control an oil inlet control valve (184;184a) and an oil outlet control valve (185;185a) arranged in fluid connection with the trough (105) and an oil circulation system to ensure that a predetermined oil level is kept in the trough.

Abstract: A batch fryer for kettle manufacturing of deep fried food stuff comprising: an elongated cooking trough for holding a volume of cooking oil; an infeed provided at an infeed end of the elongated cooking trough for receiving food stuff; an oil circulation system comprising an oil inlet circuit and an oil outlet circuit connected to the trough for recirculation of the cooking oil in the trough; a circulation pump configured to pump oil through the oil circulation system; a heat exchanger connected to the circulation system configured to heat the cooking oil flowing through the heat exchanger from the oil outlet circuit to provide heated cooking oil to the trough via the oil inlet circuit; a booster oil inlet circuit connected to a booster pump configured to pump heated cooking oil into the trough through a booster oil inlet arranged in a wall at the proximal end of the trough at the beginning of a batch deep-frying process of food stuff.

Abstract: A deep-fryer having an elongate deep-frying trough and an endless conveyor belt, which is arranged to travel along a carrying run along the bottom of the deep-frying trough from an inlet end to an outlet end. Products introduced at the inlet end into a bath of oil in the deep-frying trough are thus moved through the deep-frying trough to the outlet end. A driven deflecting roller at the outlet end is adapted to drivingly engage the conveyor belt. A deflecting roller at the inlet end is also adapted to drivingly engage the conveyor belt and is arranged to move the same synchronously with the deflecting roller at the outlet end. A driving motor is arranged for driving the two deflecting rollers and is connected to drive a driving shaft arranged between the inlet end and the outlet end of the deep-frying trough and which is connected to the respective deflecting rollers via a respective angular gear.